000 00286nam a2200121Ia 4500
008 220201s1968 xx 000 0 eng d
082 _a621.4025
_bPAT
100 _aPatel, RC
245 0 _aElements of heat engines
260 _bAcharya book depot
_c1968
300 _a427
942 _2ddc
999 _c75950
_d75950