@article {Stock2001,
	title = {Phylogeny of \emph{Steinernema} \emph{travassos}, 1927 ({Cephalobina}: {Steinernematidae}) inferred from ribosomal {DNA} sequences and morphological characters},
	journal = {Journal of Parasitology},
	volume = {87},
	number = {4},
	year = {2001},
	pages = {877{\textendash}889},
	author = {Stock, S.P. and Campbell, J.F. and Nadler,S.A.}
}
