Traité d'exploitation des transports / Paul de Groote
Newnes short-wave manual : a treatise on the design, constructiom, operation and adjustment of short and ultra-short-wave receivers, aerials and equipment, with designs for seven short-wave receivers / F. J. Camm
Man's world of sound / John R. Pierce; Edward E. David Jr.
Les semiconducteurs : diodes, transistors et autres applications / G. Goudet, C. Meuleau