000 00285nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a621.4022
100 _aR.C.SACHDEVA
245 0 _aENGINEERING HEAT AND MASS TRANSFER
260 _bNEW AGE
365 _b395.00
942 _cBTECH
999 _c171329
_d171329