000 00489 a2200181 4500
999 _c39701
_d41248
003 ISURa
008 170428b xxu||||| |||| 00| 0 eng d
041 _aEnglish
082 _a531.32
_bJAY
100 _aJayasinghe , E.M.
_91864
245 _aWaves and vibrations
260 _c1984
_aNugegoda
_bOpen university
_g1984
300 _bill.
_c27 cm.
_a183 p.
650 _aPhysics
_980979
650 _aWaves and vibrations
_918590
700 _ajayaratne , Osmund
_980981
942 _cSR
_2ddc