Francis, G. E., Mulligan, W., & Wormall, A. (1954). Isotopic tracers: A theoretical and practical manual for biological students and research workers. University of London.
Citace podle Chicago (17th ed.)Francis, G. E., W. Mulligan, a A. Wormall. Isotopic Tracers: A Theoretical and Practical Manual for Biological Students and Research Workers. Londres: University of London, 1954.
Citace podle MLA (9th ed.)Francis, G. E., et al. Isotopic Tracers: A Theoretical and Practical Manual for Biological Students and Research Workers. University of London, 1954.
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