000 00310nam a22001097a 4500
008 230721b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aAudio engineering
260 _aMassachusetts:
_bRadio Magazines, Inc.
310 _aMonthly
942 _cCR
999 _c54021
_d54021