0123997 - ASU-R 970039 RIV DE eng M - Monography Chapter
Kopecký, Miloslav - Schroder, W. (Editor)
90 years since the first astronomical observation at the Ondřejov observatory.
BremenRönebeck: History Commission DGG, 1997. In: Physics and geophysics with historical case studies., s. 221-223
Permanent Link: http://hdl.handle.net/11104/0022261