@book{16190,
	author = {Congreso Nacional de Petroquímica and Instituto Argentino del Petróleo},
	title = {3er. Congreso Nacional de Petroquímica :},
	publisher = {[S.n.],},
	year = {1974.},
	series = {3er. Congreso Nacional de Petroquímica},
	address = {Salta :}
}