000 00274nam a2200109Ia 4500
008 220201s1962 xx 000 0 eng d
100 _aPandey,NC&Shah,CS
245 0 _aElements oh heat engine
260 _bIndia:charotar book stall w.r
_c1962
300 _a710
942 _2ddc
999 _c71721
_d71721