000 00400nam a2200121Ia 45e0
008 181001s1967 xx 000 0 und d
100 _aSingh fagyit
245 0 _aElements of Thermodynamics
260 _aDelhi
_bRainbow Delhi
_c1967
300 _a465
942 _2ddc
_cBK
999 _c623
_d623