@book{92425,
	author = {Sánchez Vásquez, Gaddiel.},
	title = {Sistemas de calefacción y enfriamiento de invernaderos /},
	publisher = {El autor,},
	year = {2006.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/103969.pdf}
}