@article {38558,
	title = {The insects and arachnids of Canada, Part 19. The ground spiders of Canada and Alaska : Araneae, Gnaphosidae},
	volume = {Publication 1875},
	year = {1992},
	pages = {297},
	institution = {Agriculture Canada, Research Branch},
	url = {http://www.esc-sec.ca/aafcmonographs/insects_and_arachnids_part_19.pdf},
	author = {Platnick, Norman I. and Dondale, Charles D.}
}
