000 00271nam a2200109Ia 4500
008 190704s9999 xx 000 0 und d
082 _a621.4022 G8774
100 _aGUPTA,C.P
245 0 _aENGINEERING HEAT TRANSFER
260 _aROORKEE
_bNem Chand & Bros
942 _cBB
_2DDC
999 _c6822
_d6822