@book{6217,
	author = {Alvarez Mecino, Leobardo.},
	title = {Estudio de tres factores que influyen en la propagación sexual de mamey (Calocarpum sapota (Jack.) Merr.)},
	publisher = {El autor,},
	year = {1992},
	address = {Chapingo, Méx. :},
	note = {61-108}
}