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Fawcett et al. Annals of Applied Biology, 1955 , vol. 43, p. 342,343, 344 Proceedings of the Royal Society of London, Series B: Biological Sciences, 1959 , vol. 150, p. 95,96, 100 Full Text Show Details Matell Arkiv foer Kemi, 1952 , vol. 4, p. 473,476