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• 1974

  Linear-system reduction by continued-fraction expansion about a general point

  Davidson, A. M. & Lucas, T. N., 11 Jul 1974, In: Electronics Letters. 10, 14, p. 271-273 3 p.

  Research output: Contribution to journal › Article › peer-review
  38 Citations (Scopus)
• 1976

  Linear system reduction using Schwarz canonical form

  Davidson, A. M. & Lucas, T. N., 24 Jun 1976, In: Electronics Letters. 12, 13, p. 324 1 p.

  Research output: Contribution to journal › Article › peer-review
  5 Citations (Scopus)
• 1978

  Synchronization of cell division in the fission yeast Schizosaccharomyces pombe by ethylenediaminetetra-acetic acid

  Ahluwalia, B., Duffus, J. H., Paterson, L. J. & Walker, G. M., 1 Jun 1978, In: Journal of General Microbiology. 106, 2, p. 261-264 4 p.

  Research output: Contribution to journal › Article › peer-review
  3 Citations (Scopus)
• 1979

  An investigation into the potential use of chelating agents and antibiotics as synchrony inducers in the fission yeast Schizosaccharomyces pombe

  Walker, G. M. & Duffus, J. H., 1 Oct 1979, In: Journal of General Microbiology. 114, 2, p. 391-400 10 p.

  Research output: Contribution to journal › Article › peer-review
  6 Citations (Scopus)
• 1980

  Changes in calcium and magnesium levels during heat-shock synchronized cell division in Tetrahymena

  Walker, G. M. & Zeuthen, E., Jun 1980, In: Experimental Cell Research. 127, 2, p. 487-490 4 p.

  Research output: Contribution to journal › Article › peer-review
  7 Citations (Scopus)

• Correlation of glutamine synthetase activity with cell magnesium concentration during cell division in yeast synchronized by induction

  Walker, G. M., Thomson, J. C., Slaughter, C. & Duffus, J. H., 1 Oct 1980, In: Journal of General Microbiology. 120, 2, p. 535-537 3 p.

  Research output: Contribution to journal › Article › peer-review

• Magnesium ions and the control of the cell cycle in yeast

  Walker, G. M. & Duffus, J. H., 1 Apr 1980, In: Journal of Cell Science. 42, 1, p. 329-356 28 p.

  Research output: Contribution to journal › Article › peer-review
  38 Citations (Scopus)

• Perturbation of enzyme activity in cells of the fission yeast Schizosaccharomyces pombe subjected to continuous-flow centrifugation

  Walker, G. M., Thomson, J. C., Slaughter, J. C. & Duffus, J. H., 1 Aug 1980, In: Journal of General Microbiology. 119, 2, p. 543-546 4 p.

  Research output: Contribution to journal › Article › peer-review
• 1981

  The regulation of cell division in yeast by magnesium

  Walker, G. M. & Duffus, J. H., 1981, Current developments in yeast research . Stewart, G. G. & Russell, I. (eds.). PERGAMON-ELSEVIER SCIENCE LTD, p. 561-567 7 p. (Advances in Biotechnology; vol. 4).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
• 1982

  Cell cycle specificity of certain antimicrotubular drugs in Schizosaccharomyces pombe

  Walker, G. M., 1 Jan 1982, In: Journal of General Microbiology. 128, 1, p. 61-71 11 p.

  Research output: Contribution to journal › Article › peer-review
  33 Citations (Scopus)

• Magnesium-induced mitochondrial polymorphism and changes in respiratory metabolism in the fission yeast, Schizosaccharomyces pombe

  Walker, G. M., Birch-Andersen, A., Hamburger, K. & Kramhøft, B., Jul 1982, In: Carlsberg Research Communications. 47, 4, p. 205-214 10 p.

  Research output: Contribution to journal › Article › peer-review
  8 Citations (Scopus)
• 1983

  Central regulatory role for magnesium in cell growth and metabolism?

  Walker, G. M., 1983, Progress in cell cycle controls: 6th European cell cycle workshop. Chaloupka, J., Kotyk, A. & Streiblová, E. (eds.). Prague: Czechoslovak Academy of Sciences, p. 213-214 2 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Continued-fraction algorithm for biased model reduction

  Lucas, T. N., 9 Jun 1983, In: Electronics Letters. 19, 12, p. 444-445 2 p.

  Research output: Contribution to journal › Article › peer-review
  15 Citations (Scopus)

• Efficient algorithm for reduction by continued-fraction expansion about s = 0 and s = a

  Lucas, T. N., 10 Nov 1983, In: Electronics Letters. 19, 23, p. 991–993 3 p.

  Research output: Contribution to journal › Article › peer-review
  13 Citations (Scopus)

• Factor division: a useful algorithm in model reduction

  Lucas, T. N., Nov 1983, In: IEE Proceedings D: Control Theory and Applications. 130, 6, p. 362-364 3 p.

  Research output: Contribution to journal › Article › peer-review
  86 Citations (Scopus)

• Frequency-domain reduction of linear systems using Schwarz approximation

  Lucas, T. N. & Davidson, A. M., 1983, In: International Journal of Control. 37, 5, p. 1167-1178 12 p.

  Research output: Contribution to journal › Article › peer-review
  19 Citations (Scopus)

• Linear system reduction by continued-fraction expansion about s = 0 and s = a alternately

  Lucas, T. N., 31 Mar 1983, In: Electronics Letters. 19, 7, p. 244-246 3 p.

  Research output: Contribution to journal › Article › peer-review
  17 Citations (Scopus)

• Magnesium as the fundamental regulator of the cell cycle

  Walker, G. M. & Duffus, J. H., 1983, In: Magnesium. 2, p. 1-16 16 p.

  Research output: Contribution to journal › Article › peer-review
• 1984

  Biased model reduction by factor division

  Lucas, T. N., 5 Jul 1984, In: Electronics Letters. 20, 14, p. 582–583 2 p.

  Research output: Contribution to journal › Article › peer-review
  21 Citations (Scopus)

• Comment on homographic transformation for the simplification of continuous-time transfer functions by Padé approximation

  Lucas, T. N., 1984, In: International Journal of Control. 39, 2, p. 417-419 3 p.

  Research output: Contribution to journal › Article › peer-review

• Differential gene expression in rapidly-dividing cells of Schizosaccharomyces pombe

  Walker, G. M. & Kramhøft, B., 1 Jun 1984, In: Biochemical Society Transactions. 12, 3, p. 438-439 2 p.

  Research output: Contribution to journal › Meeting Abstract › peer-review

• Ergonomics and future helicopter inceptors

  Johnson, G. I., Sep 1984, 78 p.

  Research output: Thesis › Master's Thesis

• Linear system reduction by continued-fraction expansion about three points

  Lucas, T. N., 5 Jan 1984, In: Electronics Letters. 20, 1, p. 50-51 2 p.

  Research output: Contribution to journal › Article › peer-review
  7 Citations (Scopus)

• Magnesium and control of mitochondrial morphology in fission yeast

  Walker, G. M. & Birch-Andersen, A., 1 Jun 1984, In: Biochemical Society Transactions. 12, 3, p. 439-440 2 p.

  Research output: Contribution to journal › Meeting Abstract › peer-review

• Magnesium and the regulation of germ-tube formation in Candida albicans

  Walker, G. M., Sullivan, P. A. & Shepherd, M. G., 1 Aug 1984, In: Journal of General Microbiology. 130, 8, p. 1941-1945 5 p.

  Research output: Contribution to journal › Article › peer-review
  13 Citations (Scopus)

• System reduction by Cauer continued-fraction expansion about s = a and s = ∞ alternately

  Lucas, T. N., 12 Apr 1984, In: Electronics Letters. 20, 8, p. 335-336 2 p.

  Research output: Contribution to journal › Comment/debate › peer-review
• 1985

  Human factors considerations in C.I.M.

  Johnson, G. & Clegg, C., Sep 1985.

  Research output: Contribution to conference › Abstract

• Linear system reduction by impulse energy approximation

  Lucas, T. N., Aug 1985, In: IEEE Transactions on Automatic Control. 30, 8, p. 784-786 3 p.

  Research output: Contribution to journal › Article › peer-review
  24 Citations (Scopus)

• Magnesium in mitosis and the cell cycle

  Duffus, J. H. & Walker, G. M., Jul 1985, In: Journal of the American College of Nutrition. 4, 3, p. 341-342 2 p.

  Research output: Contribution to journal › Meeting Abstract › peer-review

• Model reduction by condensed continued-fraction method

  Lucas, T. N., 1 Aug 1985, In: Electronics Letters. 21, 16, p. 680-681 2 p.

  Research output: Contribution to journal › Article › peer-review
  2 Citations (Scopus)
• 1986

  Accumulation of magnesium ions during the cell cycle

  Walker, G. M., 1 Feb 1986, Cell membranes and cancer: proceedings of the second international workshop on membranes in tumour growth, Rome, Italy, June 17-20, 1985. Galeotti, T., Cittadini, A., Neri, G., Papa, S. & Smets, L. A. (eds.). Elsevier, p. 161-167 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter (peer-reviewed) › peer-review

• Continued-fraction expansion about two or more points: a flexible approach to linear system reduction

  Lucas, T. N., Jan 1986, In: Journal of the Franklin Institute. 321, 1, p. 49-60 12 p.

  Research output: Contribution to journal › Article › peer-review
  22 Citations (Scopus)

• Human factors in a flexible assembly system: design guidelines for design guidelines

  Johnson, G. I., Clegg, C. W. & Ravden, S. J., 1986, Contemporary ergonomies 1986: proceedings of the Ergonomics Society's 1986 Annual Conference, Durham, England, 8-11 April 1986. Oborne, D. J. (ed.). London: Taylor & Francis, p. 78-82 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Incorporating human factors in CIM system design

  Johnson, G. I., Corbett, J. M., Clegg, C. W. & Ravden, S. J., May 1986, 7 p. Brussels : CIM Europe, ESPRIT.

  Research output: Other contribution

  Open Access

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  35 Downloads (Pure)

• Linear system reduction by the modified factor division method

  Lucas, T. N., Nov 1986, In: IEE Proceedings D: Control Theory and Applications. 133, 6, p. 293-296 4 p.

  Research output: Contribution to journal › Article › peer-review
  17 Citations (Scopus)

• Magnesium and cell cycle control: an update

  Walker, G. M., 1986, In: Magnesium. 5, 1, p. 9-23 15 p.

  Research output: Contribution to journal › Article › peer-review
  75 Citations (Scopus)

• Occupational accidents and diseases: data sources, United Kingdom

  Johnson, G. I., Wilson, J. R. & Grey, M. S., 1 Dec 1986, European Communities. 181 p.

  Research output: Book/Report › Book

  1 Citation (Scopus)

• Solute dispersion and sediment transport in estuaries

  West, J. R., Guymer, I., Sangodoyin, Y. & Oduyemi, K. O. K., 1 Apr 1986, In: Water Science & Technology. 18, 4-5, p. 93-100 8 p.

  Research output: Contribution to journal › Article › peer-review
• 1987

  A framework for studying cognitive ergonomics in CAD systems

  Johnson, G., 1987, New methods in applied ergonomics: the proceedings of the Second International Occupational Ergonomics Symposium, Zadar, Yugoslavia, 14-16 April 1987. Wilson, J. R., Corlett, E. N. & Manenica, I. (eds.). London: Taylor and Francis Ltd., p. 111-116 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• A manager's guide to ergonomics in the electronic office: M.J. Dainoff and M.H. Dainoff. New York: John Wiley & Sons, 1987. xii + 230 pp. ISBN 0471 91423 1. £19.95

  Johnson, G., Dec 1987, In: International Journal of Information Management. 7, 4, p. 240-241 2 p.

  Research output: Contribution to journal › Book/Film/Article review

• Further discussion on impulse energy approximation

  Lucas, T. N., Feb 1987, In: IEEE Transactions on Automatic Control. 32, 2, p. 189-190 2 p.

  Research output: Contribution to journal › Article › peer-review
  11 Citations (Scopus)

• HLA class III and non-HLA blood genetic markers in Chinese

  Serjeantson, S. W., Spiers, A., Ranford, P. & Hawkins, B. R., 1987, Human leucocyte antigens in Chinese. Hawkins, B. R. (ed.). Hong Kong: Hong Kong University Press, p. 107-115 9 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Human factors in the design of a flexible assembly cell

  Ravden, S. J., Johnson, G. I., Clegg, C. W. & Corbett, J. M., 1987, Skill based automated manufacturing: proceedings of the IFAC workshop, Karlsruhe, Federal Republic of Germany, 3-5 September 1986. Brodner, P. (ed.). Oxford: Pergamon Press Ltd., p. 65-70 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Magnesium in mitosis and the cell cycle

  Duffus, J. H. & Walker, G. M., 11 Sep 1987, Magnesium in cellular processes and medicine: 4th international symposium on magnesium, Blacksburg, Va., July 1985. Altura, B. M., Durlach, J. & Seelig, M. S. (eds.). Basel: S. Karger AG, p. 131-141 11 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Monoclonal antibody against a nuclear matrix antigen in proliferating human cells

  Philipova, R. N., Zhelev, N. Z., Todorov, I. T. & Hadjiolov, A. A., 1987, In: Biology of the Cell. 60, 1, p. 1-8 8 p.

  Research output: Contribution to journal › Article › peer-review
  18 Citations (Scopus)

• Monoclonal antibody to a nucleolar antigen of human B-lymphoblastoid cells

  Todorov, I. T., Philipova, R. N., Zhelev, N. Z. & Hadjiolov, A. A., Mar 1987, In: Cell Biology International Reports. 11, 3, p. 181-187 7 p.

  Research output: Contribution to journal › Article › peer-review
  5 Citations (Scopus)

• Stable reduced-order models for discrete-time systems

  Lucas, T. N., Jan 1987, In: IEE Proceedings D: Control Theory and Applications. 134, 1, p. 51 1 p.

  Research output: Contribution to journal › Letter › peer-review

• Taylor series approach to functional approximation for inversion of Laplace transforms

  Lucas, T. N., 26 Feb 1987, In: Electronics Letters. 23, 5, p. 230 1 p.

  Research output: Contribution to journal › Comment/debate › peer-review
• 1988

  Changes in a nuclear matrix antigen during the cell cycle: interphase and mitotic cells

  Todorov, I. T., Philipova, P. N., Zhelev, N. Z. & Hadjiolov, A. A., 1988, In: Biology of the Cell. 62, 2, p. 105-110 6 p.

  Research output: Contribution to journal › Article › peer-review
  10 Citations (Scopus)

• Declarative knowledge elicitation: using concept-sorting to study the structural aspects of user knowledge

  Johnson, G. I. & Briggs, P., 1988, 'Ergonomics giving quality to life': proceedings of the Ergonomics Society's 1988 Annual Conference, Manchester, England, 11-15 April 1988. Megaw, E. D. (ed.). London: Taylor & Francis, p. 463-467 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution