@book{51525,
	author = {Tovar González, José Angel.},
	title = {Estudio del comportamiento de cinco cultivares de cebolla (Allium cepa L.) ciclo otoño - invierno 1983-84, Marín, N.L.},
	publisher = {El autor,},
	year = {1986},
	address = {Monterrey, N.L. :}
}