Toward a regional conservation strategy for the Serengeti : report of a workshop Author(s) Malpas, Robert C. Perkin, Scott
Towards a conservation strategy for Ontario : an assessment of conservation and development in Ontario
IUCN's twelfth Technical Meeting, Banff, Alberta, Canada, 12 to 15 September 1972 : papers and proceedings Author(s) Elliott, Hugh F. I.
Productivity and conservation in northern circumpolar lands : proceedings of a conference, Edmonton, Alberta, 15-17 October 1969 Author(s) Fuller, W. A. Kevan, P. G.
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 Author(s) Elliott, Hugh F. I.
Towards a new relationship of man and nature in temperate lands. Part 2. Town and country planning problems
Project Mar : the conservation and management of temperate marshes, bogs and other wetlands. Volume 1. Proceedings of the Mar conference Author(s) Hoffmann, Lukas