00501nam a22001577a 4500008004100000040005500041080001800096245007600114260004800190300001500238650001900253653001600272700002500288942001300313999001700326230612b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a621.3(02)bG6  aElectrical engineers handbook: bElectric communication and electronics  aNew York: bJohn Wiley & Sons, Inc., c1941  axiv, 825p.  aCommunication   aElectronics  aPender, Harold (Ed.)  2udccHDK  c41909d41909