@mastersthesis {28413,
	title = {Biology and relationships of Pterostichus adstrictus Eschscholtz and Pterostichus pensylvanicus Leconte (Coleoptera : Carabidae)},
	volume = {Entomology},
	year = {1971},
	pages = {95},
	address = {University of Alberta},
	abstract = {Masters thesis. A comparison of two structurally similar species of beetles in relation to their ecological, behavioural, and morphological characteristics. Most of the data was obtained from the George Lake field station near Edmonton, Alberta.},
	keywords = {entomology; Insecta},
	author = {Goulet, Henri}
}
