@article {495,
	title = {Activity and ecological distribution of the slug, Arion subfuscus (Draparnaud) (Stylommatophora, Arionidae)},
	journal = {American Midland Naturalist},
	volume = {100},
	year = {1978},
	pages = {359-367},
	author = {Beyer, WN and Saari, DM}
}
@inbook {53,
	title = {Slugs - a study in applied ecology},
	booktitle = {Pulmonates: Systematics, Evolution, and Ecology},
	volume = {2A},
	year = {1978},
	pages = {271-286},
	publisher = {Academic Press},
	organization = {Academic Press},
	address = {London},
	author = {Hunter, PJ},
	editor = {Fretter, V and Peake, J}
}
