@book {Filipev:1968tx,
	title = {Free-living marine nematodes of the Sevastopol area: (Svobodnozhivushchiya morskiya mematody okrestnostei Sevastopolya)},
	year = {1968},
	publisher = {Israel Program for Scientific Translations},
	organization = {Israel Program for Scientific Translations},
	address = {Jerusalem},
	author = {Filip'ev, Ivan Nikolaevich}
}
@article {Anderson1968,
	title = {Variation in taxonomic characters of a species of \emph{Acrobeloides} ({Cobb}, 1924) {Steiner} and {Buher}, 1933},
	journal = {Canadian Journal of Zoology},
	volume = {46},
	year = {1968},
	pages = {309{\textendash}320},
	author = {Anderson, R.V.}
}
@article {WrightAndHope1968,
	title = {Elaborations of the cuticle of \emph{Acanthonchus duplicatus} {Wieser}, 1959 ({Nematoda:Cyatholaimidae}) as revealed by light and electron microscopy},
	journal = {Canadian Journal of Zoology},
	volume = {46},
	year = {1968},
	pages = {1005{\textendash}1011},
	author = {Wright, K. A. and Hope, W. D.}
}
