000 00372nam a2200157Ia 4500
100 _aDuggal/K.N
650 _aAutomobiles
942 _cBK
654 _aElements of Environmental Enginnering
245 _aElements of Environmental Enginnering
260 _bS. Chand & co.
_aNewDelhi
_c1997
082 _a628
_bDUG
300 _a496
546 _aENGLISH
999 _c25461
_d25461