參考文獻:
Lora Tamayo Royo Martinez Anales de la Real Sociedad Espanola de Fisica y Quimica, 1952 , vol. <B> 48, p. 81,86 Full Text Show Details Andrewes King Walker Proceedings of the Royal Society of London, Series B: Biological Sciences, 1946 , vol. 133, p. 20,30