Vademecum van de radiopractijk / J.G.R. van Dijck : Dl. 2 Power supply selenium rectifier type for aircraft servicing and for starting aircraft gas turbine engines : Navy Contract NOs-66941 / Navy Department Vademecum van de radiopractijk / J.G.R. van Dijck : Dl. 1 Technisch vademecum : Electro- en radiotechniek / G.L. Ludolph Fiel engineers' data handbook