@book{48250,
	author = {Choffat, Paul.},
	title = {Contributions áa la connaissance géologique des colonies portugaises d'Afrique / },
	editor = {Imp. de l'Academie Royale des Sciences)},
	publisher = {[s.n.], },
	year = {1903-1905 (},
	address = {Lisbonne : }
}