@article {260,
	title = {Genital differences in Philomycus virginicus Hubricht and P. bisdosus Branson},
	journal = {The Nautilus},
	volume = {82},
	year = {1969},
	pages = {74},
	author = {Branson, BA}
}
@article {141,
	title = {The zoogeography and ecology of arionid and limacid slugs introduced into Northeastern North America},
	journal = {Malacologia},
	volume = {7},
	year = {1969},
	pages = {313-346},
	author = {Chichester, LF and Getz, LL}
}
