000 00328nam a2200133Ia 4500
008 210901s2000 xx 000 0 eng d
082 _a537.534 CHO
100 _aChopra, D.V.
245 0 _aWaves and oscillations
260 _aNew Delhi
_bModern Publiction
_c2000
300 _a411p.
650 _aPhysics
942 _2ddc
_cBK
_01
999 _c23559
_d23559