000 00333nam a22001457a 4500
005 20210923165654.0
008 210923b ||||| |||| 00| 0 eng d
041 _aeng
100 _aYadav R
245 _aThermodynamics & heat engines
250 _a5th
260 _aN delhi
_bCentral Pub
_c1990
300 _a854
942 _cBK
999 _c192029
_d192029