@book{37069,
	author = {Bruins, D. H. and Nieto Aguilera, Tomás.},
	title = {Herramientas y máquinas-herramientas / },
	publisher = {Urmo, },
	year = {[1972]},
	series = {Manual del ingeniero técnico},
	address = {Bilbao : }
}