Mammals of Indonesia : draft version
1979
van der Zon, A. P. M. |
van der Zon, A. P. M.
Proposed Komodo national park : management plan 1978/79-1982/83
1977
Blower, J. H. |
van der Zon, A. P. M. |
Mulyana, Yaya |
Proposals for establishment of conservation areas in East Kalimantan : field report
1977
Blower, J. H. |
van der Zon, A. P. M. |
Mulyana, Yaya |
National parks and wildlife management Afghanistan : a contribution to a conservation strategy
1981
Sayer, Jeffrey |
van der Zon, A. P. M. |
Graminées du Cameroun
1992
van der Zon, A. P. M. |