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3
Published 1994
Springer Netherlands
Table of Contents: “...: Photographic Plate Supply -- IAU Symposium 161 Resolution: The Future Of Sonneberg Observatory -- IAU Working...”
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4
Published 1994
Springer Netherlands
Table of Contents: “... - History, use and prospects -- Computerised very-long-term monitoring of variables and the Sonneberg Plate...”
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5
Published 1988
Springer Berlin Heidelberg
Table of Contents: “... -- The Plate Collection of Sonneberg Observatory -- Project for the Photometry of Clusters of Galaxies...”