Autor
- Food and Agriculture Organization of the United Nations 11 results
- Bisnath, Sanjeev 5 results
- Eskom (Firm) 5 results
- Geological Society of London 4 results
- Boshoff, H. P. 3 results
- Geological Society of South Africa 3 results
- South African Council for Scientific and Industrial Research 3 results
- South African Institute of Forestry 3 results
- Tyson, P. D. 3 results
- Warner, Brian 3 results
- Anderson, Heidi M. 2 results
- Anderson, John M. (John Malcolm) 2 results
- Arnold, J. E. M. 2 results
- Barnes, R. D. 2 results
- Bougue, Michel 2 results
- Buckley, D. A. H. (David A. H.) 2 results
- Centre technique forestier tropical (France) 2 results
- Cowling, R. M. (Richard M.) 2 results
- Day, J. H. (John Hemsworth) 2 results
- Dewees, Peter A. 2 results
- Dixey, F. (Frank) 2 results
- Dubois, Olivier 2 results
- Goldblatt, Peter, 1943- 2 results
- Grant, C. H. B. (Claude Henry Baxter), 1878-1958 2 results
- Grove, A. T. (Alfred Thomas) 2 results
- Happold, D. C. D. 2 results
- Haughton, Sidney Henry, 1888- 2 results
- Hutchinson, J. (John), 1884-1972 2 results
- IIED Forestry and Land Use Programme 2 results
- IUCN--The World Conservation Union 2 results
- Kingdon, Jonathan 2 results
- Leach, Melissa 2 results
- Mackworth-Praed, C. W. (Cyril Winthrop), 1891-1974 2 results
- Mariani, F. 2 results
- Mearns, Robin 2 results
- Milton, S. J. 2 results
- Moreau, Reginald Ernest, 1897-1970 2 results
- Oxford Forestry Institute 2 results
- Preston-Whyte, R. A. 2 results
- Smith, J. L. B. (James Leonard Brierley), 1897-1968 2 results
- South Africa. Weather Bureau 2 results
- South African National Committee for Antarctic Research (SASCAR) 2 results
- South African Scientific Committee for Antarctic Research 2 results
- United Nations Conference on Desertification 2 results
- Van Perlo, Ber 2 results
- World Bank 2 results
- AETFAT Congress Wageningen, Netherlands 1 results
- Ackerman, D. P. 1 results
- Adams, William Mansfield, 1932- 1 results
- Adamson, Robert Stephen, 1885- 1 results més…