000 00427cam a2200169ua 4500
020 _c9.60
041 _aeng
_h
082 _a534
_bRIC/SO
100 _aRichardsen, E G .
245 _aSound :A physical text book /
_cE G Richardsen.
_hTextual Documents
260 _aLondon :
_bEnglish Language Book Society ,
_c1963.
300 _a352 ; .
365 _a9.60
504 _a
942 _cBK
999 _c261276
_d261276