@book{199966,
	author = {Urien, Carlos M},
	title = {Present and future petroleum provinces of Southern South América},
	publisher = {American Association of Petroleum Geologists, AAPG},
	year = {2001},
	address = {Tulsa:},
	note = {Separata del libro Petroleum provinces of the twenty-first century publicado por la AAPG en la serie Memoir nro. 74 en 2001}
}