@book{5516,
	author = {Montes de Oca, Miguel},
	url = {http://ingenioyalcohol.blogspot.com/2014/03/topografia-miguel-montes-de-oca.html},
	title = {Topografía},
	address = {México,},
	publisher = {Representaciones y Servicios de Ingeniería:},
	year = {c1980.}
}