Sharma, S. B. and Davies, K. G. 1996. Characterisation of Pasteuria isolated from Heterodera cajani using morphology, pathology and serology of endospores. Systematic and Applied Microbiology. 19, pp. 106-112.
Roberts, S. J., Eden-Green, S. J., Jones, P. and Ambler, D. J. 1990. Pseudomonas syzygii , sp. nov., the cause of Sumatra disease of cloves. Systematic and Applied Microbiology. 13, pp. 34-43.