@book{69669,
	author = {Hernández Livera, Alfredo Eligio.},
	title = {Variación genética para longevidad de semilla en frijol (Phaseolus vulgaris L.)},
	publisher = {El autor,},
	year = {1990},
	address = {Chapingo, Méx. :},
	note = {58-70}
}