@book{11084,
	author = {American Society of Agronomy. and Bear, Firman E. and National Fertilizer Association (1925- )},
	title = {Hunger signs in crops;},
	publisher = {American Society of Agronomy and National Fertilizer Association},
	year = {[1949]},
	address = {Washington,},
	edition = {Rev., i.e. 2d, ed.]}
}