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Adams, B. J, Burnell, A. M. and Powers, T.O. 1998. A phylogenetic analysis of Heterorhabditis (Nemata: Rhabditidae) based on internal transcribed spacer 1 DNA sequence data. J. Nematol. 30: 22–39.

Adams, B. J. and Nguyen, K. B. 2002. Taxonomy and systematics. (In:Gaugler, R. Ed.), CABI Publishing, NewYork, pp. 35 - 56.

Adams, B. J., Fodor, A., Koppenhofer, H. S., Stackebrandt, E., Stock, S. P. and Klein, M.G. 2006. Biodiversity and systematics of nematode–bacterium entomopathogens. Biol. Control. 37: 32 - 49.

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