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G. Feilberg., C. Pierre Gourou: The Tropical World. Its Social and Economic Conditions and Its Future Status. Translated by E. D. Laborde. Longmans. London 1961. 159 s., 16 Kort I Teksten Og 16 Billedplancher. 14,5x22,5 Cm. 21 Sh. gt 1962, 61.