Bertin, L. (1972). new larousse encyclopaedia of the earth (rev. ed.). Hamlyn.
Chicago Edition CitationBertin, Leon. New Larousse Encyclopaedia of the Earth. rev. ed. London: Hamlyn, 1972.
Deismireacht MLABertin, Leon. New Larousse Encyclopaedia of the Earth. rev. ed. Hamlyn, 1972.
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