Mathematical bioeconomics the mathematics of conservation Autor 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 Autor McNeely, Jeffrey A.

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

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

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

The biology of agricultural systems Autor 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 Autor Bates, Marston

Man in nature Autor Bates, Marston, 1906-1974