000 00373nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e81915
_aMAIN
041 _aEnglish
082 _a363.7 G96T
100 _aGurcharan Singh
245 0 _aTopics and terms in environmental science, v1
260 _aNew Delhi
_bCommonwealth
_c1992
300 _axi, 375 p.
942 _cBK
999 _c89943
_d89943