Avtor
- Alder, D. (Denis) 1 results
- Chudnoff, Martin 1 results
- Menninger, Edwin Arnold, 1896 1 results
- National Research Council (U.S.). Advisory Committee on Technology Innovation 1 results
- Oxford Forestry Institute 1 results
- Synnott, Timothy J. 1 results
- Touber, L. 1 results
- Tropenbos Programme 1 results
- Unesco. Programme on Man and the Biosphere 1 results