@book{53903,
	author = {International Institute of Differing Civilizations.},
	title = {Pluralisme ethnique et culturel dans les sociétés intertropicales : compte rendu de la XXXe session tenue à Lisbonne les 15, 16, 17 et 18 avril 1957 =},
	publisher = {Bruxelles,},
	year = {1957.},
	address = {Lisbon : },
	note = {Title page and text in French and English.}
}