000 00330nam a2200133Ia 4500
005 20250814115329.0
008 250729s9999 xx 000 0 und d
020 _a9788128018428
100 _aViswanath H.S
245 0 _aEnvironmental Engineering -2
260 _aNew Delhi
_bSapna Book House
_c2015
300 _avi,192
942 _cBK
999 _c8769
_d8769