Transistorised private automatic telephone system
By: Abraham Harel
Contributors: Eidgenössische Technische Hochschule Zürich
Publisher: P.G. Keller
Published: 1958
Place of publication: Winterthur
Language: eng
Number of pages: 105
Notes: Vita.

Thesis (doctoral)--Swiss Federal Institute of Technology Zurich, 1958.

Bibliography: p. 102-[103]