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			_a296.
365			_a299
650			_aEngineering,
999			_c232419 _d232419