@article {34085,
	title = {An introduction to the aquatic insects of North America},
	volume = {2nd ed. },
	year = {1984},
	pages = {722},
	institution = {Kendall/Hunt Publishing Company },
	address = {Dubuque, Iowa},
	author = {Merritt, R. W. and Cummins, K. W. (eds.)}
}
