@book{75068,
	author = {Durán Prado, Arturo.},
	title = {La fertilización foliar del frijol en el estado de Veracruz},
	publisher = {Campo Experimental Cotaxtla. División Agrícola,},
	year = {1992.},
	series = {Desplegable},
	address = {Veracruz, Ver. :}
}