00279nam a2200109 a 450000500170000002000150001708200210003210000190005324500210007226000510009330000250014420251203091926.0  a1563963477  a621.384,bD, Nah  aNahin, Paul J.  aScience of radio  aNew YorkbAmkerican Institute of Physicsc1995  axxxiii,296p.c23 cm.