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Journal Article (116)
101.
Journal Article
417, pp. 1125 - 1132 (2004)
Effect of spatial resolution on estimating the Sun's magnetic flux. Astronomy and Astrophysics 102.
Journal Article
34, pp. 361 - 364 (2004)
Solar variability and global warming: A statistical comparison since 1850. Advances in Space Research 103.
Journal Article
224, pp. 197 - 208 (2004)
Solar irradiance variations: From current measurements to long-term estimates. Solar Physics 104.
Journal Article
427 (3), pp. 1031 - 1043 (2004)
Comparison between KPVT/SPM and SoHO/MDI magnetograms with an application to solar irradiance reconstructions. Astronomy and Astrophysics 105.
Journal Article
402, pp. L5 - L8 (2003)
A stream of particles from the β Pictoris disc: A possible ejection mechanism. Astronomy and Astrophysics 106.
Journal Article
399, pp. L1 - L4 (2003)
Reconstruction of solar irradiance variations in Cycle 23: Is solar surface magnetism the cause? Astronomy and Astrophysics 107.
Journal Article
108 (A5), 1200 (2003)
Can solar variability explain global warming since 1970? Journal Geophysical Research 108.
Journal Article
394, pp. 701 - 706 (2002)
The 1.3-year and 156-day periodicities in sunspot data: wavelet analysis suggests a common origin. Astronomy and Astrophysics 109.
Journal Article
396, pp. 235 - 242 (2002)
Was one sunspot cycle in the 18th century really lost? Astronomy and Astrophysics 110.
Journal Article
396, pp. 1029 - 1035 (2002)
Search for a relationship between solar cycle amplitude and length. Astronomy and Astrophysics 111.
Journal Article
26, p. 379 (2000)
Porous Dust Grains in the Shells of Herbig Ae/Be Stars. Astron. Lett. 112.
Journal Article
362, pp. 1127 - 1137 (2000)
Size distribution of dust in circumstellar debris disks. Astronomy and Astrophysics 113.
Journal Article
143, pp. 159 - 169 (2000)
Dust around Herbig Ae/Be Stars: Porous, Cometery - like Grains? Icarus 114.
Journal Article
539, pp. 424 - 434 (2000)
The disk of (- pictoris in the light of polarimetric data. Astrophysical Journal 115.
Journal Article
136, pp. 405 - 406 (1999)
WWW database of optical constants for astronomy. Astronomy and Astrophysics, Suppl. Ser. 116.
Journal Article
50, pp. 603 - 606 (1998)
Dust around Herbig Ae/Be stars: modelling of observational data. Earth Planets Space Book Chapter (6)
117.
Book Chapter
Models of Solar Total and Spectral Irradiance Variability of Relevance for Climate Studies. In: Climate and Weather of the Sun-Earth System (CAWSES), pp. 19 - 38 (Ed. Lübken, F.-J.). Springer, Dordrecht (2013)
118.
Book Chapter
Climate and Weather of the Sun-Earth System, in Astronomy and Astrophysics. In: Encyclopedia of Life Support Systems (EOLSS) (Eds. Engvold, O.; Stabell, R.; Czerny, B.; Lattanzio, J.). Eolss Publishers, Oxford, UK (2011)
119.
Book Chapter
11-year solar cycle. In: Astronomy, Astrophysics, and Cosmology, pp. 97 - 108 (Ed. Trümper, J.). Springer, Berlin (2009)
120.
Book Chapter
Sunspots. In: Astronomy, Astrophysics, and Cosmology, pp. 109 - 118 (Ed. Trümper, J.). Springer, Berlin (2009)