Conférence internationale Radio routes, tunnels et mines, Liège, Belgique, 1-5 avril 1974 =
Subtitle: International Conference Radio, Roads, Tunnels, and Mines, Liège, Belgium, 1-5 April 1974 = Internationale Tagung über Funkverbindungen im Strassenverkehr, in Tunnels und im Bergbau, Lütich, Belgien, vom. 1.-5 April 1974 : conférence
By: organisée par INIEX.
Contributors: Institut national des industries extractives (Belgium)
Publisher: Institut national des industries extractives
Published: 1974
Place of publication: Liège
Language: eng
Subjects: Radio -- Congresses.
Table of contents: title: 1. Routes et tunnels.