Wolfschmidt, Gudrun, 1951- |
Carl Bamberg : wissenschaftliche Präzisionsinstrumente aus Berlin / Gudrun Wolfschmidt |
In: Kosmos und Zahl. p. 487-504 |
Wolfschmidt, Gudrun, 1951- |
Telescopes made in Berlin : from Carl Bamberg to Askania / Gudrun Wolfschmidt |
In: From Earth-bound to satellite. p. 177-193 |