Consultant's report on the design, installation and operation of the environmental information management system
1993
Hughell, David A. |
IUCN
Manual on environmental assessment for sustainable forest development
1993
Poore, Duncan |
Environmental information management system : user's manual
1993
Hughell, David A. |
Consultant's report on environmental assessment for forests in Sri Lanka
1993
Poore, Duncan |
Consultant's report on a conservation review of natural forests in Sri Lanka
1993
Green, Michael John Beverley |
Conservation review of some natural forests in Sri Lanka
1993
Green, Michael John Beverley |
Gunawardena, E. |
Ngorongoro Conservation Area : aerial survey of livestock and wildlife, 23-25 October 1987 : preliminary results of SRF survey
1988
Perkin, Scott |
Campbell, Kenneth L. |
Ngorongoro Conservation and Development Project : 1987 dry season sample ground census : preliminary report
1988
Perkin, Scott |