000 00327nam a2200145Ia 4500
008 230912s9999 xx 000 0 und d
082 _a526 KUM
100 _aKumar, Satish
245 0 _aEnvironmental Studies
260 _aNEW DELHI
260 _bBPB PUBLICATIONS
260 _c2005
300 _a168
700 _aDEEPSHIKHA
999 _c79170
_d79170