@book{132704,
	author = {University of Texas. Petroleum Extension Service and Instituto Mexicano del Petróleo, IMP},
	title = {El equipo rotatorio y sus componentes},
	publisher = {University of Texas},
	year = {1980},
	series = {Perforación rotatoria},
	address = {Austin, Texas},
	edition = {3ra. ed.}
}