@book{62424,
	author = {Delorit, Richard J. and Ahlgrenn, Henry L.},
	title = {Producción agrícola},
	publisher = {CECSA,},
	year = {1975 (c.1970)},
	address = {México, D. F. :},
	note = {Trad. de la 3 ed. en ingles de 1967}
}