000 00414nam a2200169Ia 4500
008 201126s9999 xx 000 0 und d
041 _aeng
082 _a628
_bELE
100 _aELANGOVAN, R
245 _aUNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING
250 _a1ST
260 _aNEW DELHI
_bNEW AGE
_c2005
300 _a100977
690 _aFET
690 _aENVIRONMENTAL ENGINEERING
999 _c11430
_d11430