@book{8282,
	author = {Avilés Baeza, Wilson Ildefonso.},
	title = {Interferencia entre la maleza y el tomate de cáscara (Physalis ixocarpa Brot.) en Chapingo, México},
	publisher = {El Autor,},
	year = {1993},
	address = {Chapingo, Méx. :}
}