@book{64453,
	author = {Scott, D. H. and Darrow, G. M. and E.U.A. Department of Agriculture.},
	title = {Variedades de fresa en los Estados Unidos},
	publisher = {Centro Regional de Ayuda Técnica,},
	year = {1974},
	series = {USDA. Farmer's bulletin},
	address = {México, D.F. :}
}