Addendum - corrigendum to the second edition of United Nations list of national parks and equivalent reserves, including data received to 30 June 1972 1972 Harroy, Jean-Paul |
Productivity and conservation in northern circumpolar lands : proceedings of a conference, Edmonton, Alberta, 15-17 October 1969 1970 Fuller, W. A. | Kevan, P. G. |
Environmental conservation education among populations of rural and woodland areas 1971 Cerovsky, J. (Jan) | Pritchard, Peter Charles Howard |
A. The national park situation in southern Asia, with special reference to the role, management and economic and social function of national parks in densely populated non-industrial regions. B. Pre-conference study-tours to national parks and other are 1971 Packard, Fred M. | Elliott, Hugh F. I. |
A. Conservation in land-use planning : soil and water resources especially in mountain regions : wildlife resources and forestry. B. Effects of pollution on natural ecosystems. C. Some aspects of wildlife utilization and management. D. International Bi 1970 Elliott, Hugh F. I. |
Bears : their biology and management : a selection of papers and discussion from the second International Conference on Bear Research and Management held at the University of Calgary, Alberta, Canada, 6 to 9 November 1970 1970 Herrero, Stephen |
Proceedings of the Latin American Conference on the Conservation of Renewable Natural Resources, San Carlos de Bariloche, Argentina, 27 March-2 April 1968 1968