000 00435nam a2200181Ia 4500
008 210928s9999 xx 000 0 und d
020 _a8122410979
082 _a 574 ELA
100 _aELANGOVAN.R
_9423
245 _aUNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING
250 _aNIL
260 _c2001
_bNEW AGE
_aIndia
300 _b175.00
_c3244
490 _aP556
500 _aPAI&SONS
650 _aCivil Engineering
942 _cBK
999 _c590
_d590