@book{151347,
	author = {ARPEL and ARPEL. Reunión a nivel de expertos (16a. : 1973 jul. 23-27 : La Paz, Bolivia) and ARPEL},
	title = {Estudio de rentabilidad de yacimientos (campos)},
	publisher = {ARPEL},
	year = {1973},
	address = {La Paz}
}