Ижил төстэй зүйлс: Project mar
- Proceedings of a technical meeting on Wetland conservation: Ankara-Bursa-Istanbul a 9 to 16 octubre 1967 /
- The wetlands of Central and Eastern Europe /
- An inventory of Brazilian Wetlands /
- Conservation and development: the sustainable use of Wetland resources /
- Conservación de humedales: un análisis de temas de actualidad y acciones necesarias /
- Guidelines for integrated planning and management of tropical lowland peatlands: with special reference to Southeast Asia /
