@mastersthesis {1707,
	title = {Ecological factors contributing to the prevalence of morningglories (<i>Ipomoea </i>spp.) as weeds},
	year = {1979},
	note = {thesis available from University Microfilms Intern., Ann Arbor Michigan},
	pages = {198},
	school = {Auburn University},
	type = {Ph.D.},
	address = {Auburn},
	keywords = {ecology, Ipomoea, North America, weed},
	author = {Crowley, R. Hugh}
}
