@book{91219,
	author = {Arreola Sánchez, Miguel Angel.},
	title = {Heterosis intervarietal entre clones de tomate de cáscara (Physalis ixocarpa Brot.) /},
	publisher = {El autor,},
	year = {2005.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/102754.pdf}
}