@book{242805,
	author = {Cuthbert, Mabel Jaques},
	title = {How to know the spring flowers : pictured key for determining the more common spring flowers herbaceous plants, with suggestions and aids for their study / Mabel Jaques Cuthbert},
	publisher = {WM. C. Brown},
	year = {1943},
	address = {Dubuque, Iowa},
	note = {Donación Dr. Federico B. Vervoorst}
}