Usher, M.B.
Biological management and conservation; ecological theory, application and planning [by] M. B. Usher.
Chapman and Hall , 1973
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Restoration ecology : a synthetic approach to ecological research / edited by William R. Jordan III, Michael E. Gilpin, John D. Aber
Cambridge University Press, 1987
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Hambler, Clive, 1960-
Conservation
Cambridge University Press , 2013
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Annual editions : environment 00/01
editor, John L. Allen
Dushkin/McGraw-Hill, 2000
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Ananthakrishnan, T.N.
Bioresources ecology
Oxford and IBH, 1982
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