Mathematical bioeconomics the mathematics of conservation por Clark, Colin Whitcomb 1931-

Ecological applications a publication of the Ecological Society of America.

Economics and biological diversity developing and using economic incentives to conserve biological resources por McNeely, Jeffrey A.

The economics of biological diversity apologetics or theory? por Norgaard, Richard B.

Mathematical bioeconomics the optimal management of renewable resources por Clark, Colin Whitcomb 1931-

The biology of agricultural systems por Spedding, C. R. W.

The biology of agricultural systems por Spedding, C.R. W.

Biology and the manufacturing industries proceedings of a symposium held at the Royal Geographical Society, London, on 29 and 30 September 1966

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Man in nature por Bates, Marston

Man in nature por Bates, Marston, 1906-1974