000 00345nam a2200145Ia 4500
008 250104s9999 xx 000 0 und d
020 _a0
082 _a621.12
_bVIJ
100 _aVijayakumari G.
245 0 _aEngineering physics
260 _aNew delhi :
_b Vikas Pub.
_c2016.
300 _a548.
365 _a299
650 _aEngineering,
999 _c232426
_d232426