000 00308nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aARVIND KUMAR
245 0 _aEnvironmental Science emprical Studies
260 _b"Daya publishing house ,Delhi"
260 _c2013
365 _b"2,500.00"
942 _cBK
999 _c159054
_d159054