000 00298nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Chattopadhyay, P."
245 0 _aUnit operation of Chemical engineering
260 _bKhanna Publishers
260 _c1996
365 _b225.00
942 _cBK
999 _c138778
_d138778