000 00294nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a577.14 DE
100 _aDE (Anil Kumar)
245 _aEnvironmental Chemistry
260 _aNew Delhi
_bNEW AGE PUBLICATION
365 _cRS
999 _c179564
_d179564