Free Access
Issue
A&A
Volume 370, Number 2, May I 2001
Page(s) L31 - L34
Section Letters
DOI https://doi.org/10.1051/0004-6361:20010319
Published online 15 May 2001
  1. Gnevyshev, M. N., & Ohl, A. I. 1948, Astron. Zh., 25(1), 18 [Google Scholar]
  2. Hoyt, D. V., & Schatten, K. 1998, Solar Phys., 179, 189 [Google Scholar]
  3. Kremliovsky, M. N. 1994, Solar Phys., 151, 351 [Google Scholar]
  4. Letfus, V. 1999, Solar Phys., 184, 201 [NASA ADS] [CrossRef] [Google Scholar]
  5. Mursula, K., & Ulich, Th. 1998, Geophys. Res. Lett., 25, 1837 [NASA ADS] [CrossRef] [Google Scholar]
  6. Mursula, K., Usoskin, I. G., & Kovaltsov, G. A. 2001, Solar Phys., 198, 51 [NASA ADS] [CrossRef] [Google Scholar]
  7. Sonett, C. P. 1983, J. Geophys. Res., 88, 3225 [NASA ADS] [CrossRef] [Google Scholar]
  8. Storini, M., & Sykora, J. 1997, Solar Phys., 176, 417 [NASA ADS] [CrossRef] [Google Scholar]
  9. Usoskin, I. G., Mursula, K., & Kovaltsov, G. A. 2000, A&A, 354, L33 [NASA ADS] [Google Scholar]
  10. Usoskin, I. G., Mursula, K., & Kovaltsov, G. A. 2001, J. Geophys. Res., in press [Google Scholar]
  11. Vitinsky, Yu. I., Kopecky, M., & Kuklin, G. V. 1986, Statistics of Sunspot Activity (Nauka, Moscow) [Google Scholar]
  12. Waldmeier, M. 1960, The Sunspot Activity in the Years 1610-1960 (Zürich Schulthess & Company AG, Zürich) [Google Scholar]
  13. Wilson, R. M. 1988, Solar Phys., 117, 269 [Google Scholar]

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.