@book{178715,
	author = {United Nations Interregional Conference on the Development of Petrochemical Industries in Developing Countries},
	title = {Interregional seminar on the development of the mineral resources of the continental shelf  /},
	publisher = {United Nations,},
	year = {1971.},
	address = {New York :},
	note = {"ST/TAO/SER.C/83"--Verso t.p.}
}