El turismo en los parques nacionales y otras areas protegidas de America Latina
1993
Oltremari Arregui, Juan |
UNEP
Global biodiversity
1993
Implications of climate change and sea level rise for Western Samoa : report of a preparatory mission
Chase, Robert |
Veitayaki, Joeli |
Implications of climate change and sea level rise for Tokelau : report of a preparatory mission
1993
McLean, Roger |
d’Aubert, Ana Maria |
The Mediterranean Monk Seal : proceedings of the first international conference Rhodes, Greece, 2-5 May 1978
1979
Ronald, K. |
Duguy, R. |
Workshop on Environmental and Natural Resources Accounting, Nairobi, 24-26 February 1992 : summary record
1992
Abaza, Hussein |
The present state of environmental and resource accounting and its potential application in developing countries
1992
Abaza, Hussein |
The Egyptian plant red data book. Volume 1. Trees and shrubs
1991
El Hadidi, M. N. |
Batanouny, K. H. |
Fahmy, A. G. |
The african elephant
1989