000 00291nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aSwenson, George W.
245 0 _aPrinciples of Modern Acoustics
260 _bD. Van Nostrand Company
_aNew York
_c1953
650 _aAcoustics
942 _cBK
999 _c9025
_d9025