000 00267nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a577.14
_bSRI
100 _a SRIVASTAVA (SMRITI)
245 0 _aENVIRONMENTAL STUDIE
260 _bKATARIYA H
_aNEW DELHI
942 _cBK
999 _c3293
_d3293