@book{212263,
	author = {Van Royen, William,},
	title = {The agricultural resources of the world /},
	publisher = {Published by Prentice-Hall, Inc., for the University of Maryland,},
	year = {1954.},
	series = {Atlas of the world's resources ;},
	address = {New York :},
	note = {At head of title: University of Maryland, Department of Geography, College of Business and Public Administration.}
}