المؤلفون: Rochelle, P. A., Will, J. A. K., Fry, J. C., Jenkins, G. J. S., Parkes, R. J., Turley, C. M., Weightman, A. J.

المساهمون: Trevors, Jack T., editor^Aff1, van Elsas, J. Dick, editor^Aff2

المصدر: Nucleic Acids in the Environment. :219-239

المؤلفون: Williams, H. G.^Aff2, Day, M. J.^Aff2, Fry, J. C.^Aff2

المساهمون: Gauthier, Michel J., editor^Aff1

المصدر: Gene Transfers and Environment : Proceedings of the Third European Meeting on Bacterial Genetics and Ecology (BAGECO-3), 20–22 November 1991, Villefranche-sur-Mer, France. :69-76

المؤلفون: Day, M. J.^Aff2, Fry, J. C.^Aff2, Diaper, J.^Aff2

المساهمون: Gauthier, Michel J., editor^Aff1

المصدر: Gene Transfers and Environment : Proceedings of the Third European Meeting on Bacterial Genetics and Ecology (BAGECO-3), 20–22 November 1991, Villefranche-sur-Mer, France. :35-50

المؤلفون: Fry, J. C.^Aff4

المساهمون: Vaheri, Antti, editor^Aff1, Tilton, Richard C., editor^Aff2, Balows, Albert, editor^Aff3

المصدر: Rapid Methods and Automation in Microbiology and Immunology. :166-175

المؤلفون: McClure, N. C., Fry, J. C., Weightman, A. J.

المساهمون: Fry, John C., editor^Aff1, Day, Martin J., editor^Aff1

المصدر: Bacterial Genetics in Natural Environments. :111-129

المؤلفون: Parkes, R. J., Cragg, B. A., Fry, J. C., Herbert, R. A., Wimpenny, J. W. T., Allen, J. A., Whitfield, M.

المصدر: Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences, 1990 Jun . 331(1616), 139-153.

URL الوصول: https://www.jstor.org/stable/53658

المؤلفون: Harper, R. M., Fry, J. C., Learner, M. A.

المصدر: Oikos, 1981 Mar 01. 36(2), 211-218.

URL الوصول: https://www.jstor.org/stable/3544449

المؤلفون: Williams, H. G.^Aff3, Day, M. J.^Aff3, Fry, J. C.^Aff3

المساهمون: Stewart-Tull, Duncan E. S., editor^Aff1, Sussman, Max, editor^Aff2

المصدر: The Release of Genetically Modified Microorganisms—REGEM 2. 63:253-255

المؤلفون: Day, M. J., Bale, M. J., Fry, J. C.^Aff3

المساهمون: Fiksel, Joseph, editor^Aff1, Covello, Vincent T., editor^Aff2

المصدر: Safety Assurance for Environmental Introductions of Genetically-Engineered Organisms. 18:181-197

المؤلفون: Criddle, W. J., Fry, J. C., Keaney, Maureen M., Lucas, C. M., Tovey, J. A.

المصدر: Molecular and Cellular Biochemistry: An International Journal for Chemical Biology in Health and Disease. May 1977 16(1):3-8