@book{68015,
	author = {Herrera Rodríguez, Jaime A. and Barreto Gómez, J. Eduardo.},
	title = {Zapatas de maderas mexicanas para el sistema de frenos del 'metro'},
	publisher = {INIF,},
	year = {1982},
	series = {Boletín técnico},
	address = {México :},
	note = {26-146}
}