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

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

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

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

The biology of agricultural systems Tekijä 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 Tekijä Bates, Marston

Man in nature Tekijä Bates, Marston, 1906-1974