Principles of aeronautical radio engineering / by P.C. Sandretto Fundamentals of radio / F.E. Terman ; with the collaboration of F.W. MacDonald Voorlopige noodregeling verbindingsdienst ten behoeve van de civiele verdediging Introduktie tot de militaire geheimtelecommunicatie- systemen / door E. Mahler G.E.C. radio engineering and the war effort : its contribution to victory Draadlooze telegrafie : een populair-wetenschappelijke uiteenzetting van hare beginselen en toepassingen / door J.R.C. Isbrücker Van telegraaf tot satelliet : 125 jaar telecommunicatie in de Koninklijke Landmacht 1874-1999 / Sectie Militaire Geschiedenis, Martin Elands ... [et al. ; cartogr.: Louis … Installation of the first direct telecommunications link between the Netherlands and Denmark by means of repeatered submarine coaxial cable 1951 / Standard Telephones and Cables … Radio engineering / by Frederick Emmons Terman Measurements in radio engineering / by Frederick Emmons Terman Communication engineering / by William Littell Everitt Tele-communication engineers' instrument manual / by Paul H. Hunter