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1
Published 1975
Springer Netherlands
Table of Contents: “... to Handle Silicon Vidicon Images and Spectra of Astronomical Objects -- Handling of ‘Galaxy’ Photometry -- 5...”
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2
Published 1973
Springer Netherlands
Table of Contents: “... on the Spectra of Variable Stars -- - Report of the Working Group on Flare Stars -- 28. Galaxies -- - Working...”
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3
Published 1971
Springer Netherlands
Table of Contents: “...) -- 26 Double Stars (Étoiles Doubles) -- 27 Variable Stars (Étoiles Variables) -- 28 Galaxies -- 29...”
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4
Published 1971
Springer Netherlands
Table of Contents: “... -- The Relative Density of H, OH and H2CO in Interstellar Clouds -- NH3 and H2O emission in ourGalaxy -- Radio...”