000 00308nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a530.4 SIN
100 _aSingh(Devraj)
245 _aEngineering Physics ,Theory and Expt. Vol II
260 _aDelhi
_bDhanpat Rai & Sons
365 _cRS
999 _c185491
_d185491