000 00427nam a2200181Ia 4500
008 221105s9999 xx 000 0 und d
041 _aEnglish
082 _a628
082 _bRAV
100 _aRAVI R; THIRUMALINI P
245 0 _aPRINCIPLES OF ENVIRONMENTAL SCIENCE AND ENGINEERING
260 _bNIL
260 _c2004
300 _aJul-25
650 _aENVIRONMENTAL ENGINEERING
650 _bGENERAL
942 _cBK
999 _c13422
_d13422