000 00324nam a2200157Ia 4500
100 _aGaur, R K & Gupta, S L
080 _a620.53
526 _dNTB
526 _aUG
366 _f10%
942 _cBK
245 _aEngineering physics .
260 _aDhanpat Rai
_bNew Delhi
_c2016
300 _axxxiii,1122
546 _aE
999 _c54422
_d54422