000 00408nam a22001577a 4500
008 230502b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a681.8
_bK4
100 _aMackenzie, G W
245 _aAcoustics
260 _aNew York:
_bFocal Presaa, 1964
300 _a224p.
650 _aIndustries
653 _aMicrophones
942 _2udc
_cREF
999 _c26075
_d26075