@book{73972,
	author = {Wilkinson, R. E. and Jaques, H. E.},
	title = {How to know the weeds},
	publisher = {W. C. Brown Co.},
	year = {[1972]},
	series = {Pictured key nature series},
	address = {Dubuque, Iowa},
	edition = {2d ed.},
	note = {1959 ed. by H. E. Jaques.}
}