00502nam a2200157Ia 4500003000900000008004100009040001600050080002100066100002000087245008200107260003200189300001500221490006300236650002600299650001900325IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.3.029.6bPOU  aPound, Robert V 0aMicrowave mixerscRobert V Pound                                               aNew YorkbMcGraw-Hillc1948  axii, 381p.  aMassachusetts institute of technology radiation laboratory  aMicrowave engineering  aNASA thesaurus