FildesP.1923; The classification of haemoglobinophilic bacteria based upon their relation to blood pigment and to the vitamin factor. Brit.J. exp. Path. 4:265
KnightB.C.J.G.,
ProomH.1950; A comparative survey of the nutrition and physiology of mesophilic species in the genus Bacillus. J. gen. Microbiol. 4:508
StanierR.Y.1953; Adaptation, evolutionary and physiological: or Darwinism among the micro-organisms. In Adaptation in Micro-organisms. Symp. Soc. gen. Microbiol. 3:1