Die Elektrifizierung der Armbanduhr /
Lucien F. Trueb, Günther Ramm, Peter Wenzig ; [hrsg. von Christian Pfeiffer-Belli].
- 320 pages : illustrations ; 28 cm
9783871882364 3871882364
Electronic clocks and watches--History--20th century. Electronic clocks and watches--History--21st century. Clocks and watches, Electric. Wrist watches.