@book{150506,
	author = {Oberfell, G.G. and Alden, R.C.},
	title = {Natural gasoline},
	publisher = {W.B. Conkey},
	year = {1924},
	address = {New York},
	edition = {1st.},
	note = {Donación de la familia del Ingeniero Bernardo Rikles.}
}