000 003430000a22001210004500
060 _a100
245 _aDesertification and its control : released on the occassion of the UN conference on desertification, Nairboi
260 _aNewdelhi, I C A R
260 _c1977
300 _a375
650 _aClimate/ land/ water resources
942 _cBK
999 _c216334
_d216334