telephone development project
By: [edited] by Sven Lönnström, Folke Marklund, Ingemar Moo.
Contributors: Lönnström, Sven.; Marklund, Folke.; Moo, Ingemar.; United Nations. Bureau of Technical Assistance Operations.; LM Ericsson, AB.
Edition: 3rd ed.
Publisher: Telefonaktiebolaget L.M. Ericsson
Published: 1967
Place of publication: Stockholm
Language: eng