000 00275nam a2200109Ia 4500
100 _aIvan A Grenwood
245 _aElectronic Instruments
260 _c1948
_aNew York
_bMcGraw Hill Book Company Inc.
300 _axvii+721
700 _aJ Vance Holdam
_aDuncan Macrae
942 _cBK
999 _c946
_d946