@book{153399,
	author = {López, Modesto and ARPEL. Reunión a Nivel de Expertos (40a. : 1981 abr. : Neuquén, Argentina) and López, Modesto},
	title = {Conservación de la energía},
	publisher = {GDT},
	year = {1981},
	address = {[s.l.]}
}