000 00274nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a621.4022
100 _aC.P.GUPTA
245 0 _aENGINEERING HEAT TRANSFER
260 _bNEM CHAND
365 _b125.00
942 _cBTECH
999 _c136044
_d136044