@book{107322,
	author = {Gerardo Rodríguez, Tomas},
	title = {Reporte de viaje de estudio Chapingo Tlaxcala-Jalapa Veracruz /},
	publisher = {UACH. Preparatoria Agrícola,},
	year = {1995.},
	address = {Chapingo, Méx. :}
}