Lasertheorie I & II. Mit 23 Abbildungen [2 volumes].

Paul, Harry.

Akademie-Verlag, Pergamon Press, Vieweg & Sohn, Berlin, Oxford, Braunschweig, 1969

2 vols. 18 x 11 cm, paperbacks, 184 pages & 184 pages. Text in German, condition good with slight wear, top of spines slightly damaged, paper aged toned, see picture.