000			00299nam a2200133Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aNarayana Rao. Bv
245		0	_aModern Physics
250			_a1st Ed.
260			_bWiley Eastern Ltd _c1993
300			_a615
650			_aPhysics
942			_cBK
999			_c33310 _d33310