000 00335nam a2200133Ia 4500
008 221229s9999 xx 000 0 und d
020 _a9788174733023
100 _aSINHA,SHRADHA
245 0 _aATB OF ENVIRONMENTAL STUDIES
260 _aNEW DELHI
_bAITBS PUB.
_c2008
300 _a327
650 _aMechanical enginering
942 _cBK
999 _c36719
_d36719