00330nam a2200109Ia 450000500170000000800410001708200220005810000240008024500670010426000390017130000100021020260205105037.0260111s9999||||xx |||||||||||||| ||und||  a363.709  42 K527E  aKhanna, Gopesh Nath 0aEnvironment problems and the united nations/Gopesh Nath Khanna  aNew DelhibAshish Publishingc1990  a204p.