00333nam a22001097a 4500082003300000100002200033245004400055260005300099300002600152526003700178650000800215  a621.3815362bAMPcL-11, P-59  aSchure, Alexander  aAmplitude modulationcSchure, Alexander  aNew York. :bJohn F. Rider Publisher, Inc.c1956  a56 p. :bill,c20 cm.  a0b0c0d621_381536200000000_AMP  aMCE