000 00310nam a22001457a 4500
020 _a9789350770795
100 _aParikh
245 _aEnvironmental studies
250 _a 1 St
260 _aDelhi
_bTech Max
_c2012
300 _a95
650 _aEnvironmental science
700 _aDwivedy
942 _2ddc
_cBK
999 _c2430
_d2430