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1 |
Dynamics and interactions of galaxies Berlin : Springer, 1990
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2 |
Planeten und ihre Monde Heidelberg : Spektrum d. Wiss., 1988
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3 |
Structure and dynamics of the galactic system Wielen, Roland. - Heidelberg : Astronom. Rechen-Inst., 1986
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4 |
The density-wave theory of spiral galaxies, comparison between theory and observations Wielen, Roland. - Heidelberg : Astronom. Rechen-Inst., 1979
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5 |
Das Altern von Spiralarmen Schwerdtfeger, Hans M.. - Heidelberg : Astronom. Rechen-Inst., [1978?]
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6 |
The diffusion of stellar orbits derived from the observed age-dependence of the velocity dispersion Wielen, Roland. - Heidelberg : Astronom. Rechen-Inst., 1977
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7 |
Density-wave theory of the special structure of galaxies Wielen, Roland. - Heidelberg : Astronom. Rechen-Inst., 1975, Repr.
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8 |
Dynamics of star clusters Wielen, Roland. - Heidelberg : Astronom. Rechen-Inst., 1975
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9 |
On the age dependence of the spatial distribution and velocity dispersion of stars in a spiral galaxy Wielen, Roland. - Heidelberg : Astronom. Rechen-Inst., 1975
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10 |
Spiralarm-Indikatoren, Dichtewellentheorie und optische Beobachtungen Wielen, Roland. - Heidelberg : Astronom. Rechen-Inst., 1975
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