000 00320nam a2200133Ia 4500
005 20260413100439.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aKansal , Rahul
245 0 _aEnvironmental Science
260 _bNew Delhi ,Tech- Max Pub.
_c2012
300 _a300
942 _cDB
999 _c1198
_d1198