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T. Podladchikova, B. Lefebvre and R. van der Linden, “Integral Activity of the Declining Phase of Sunspot Cycles as Precursor of the Next Cycle,” Journal of Atmospheric and Solar-Terrestrial Physics. Vol. 70, No. 2-4, 2008, pp. 277-287. http://dx.doi.org/10.1016/j.jastp.2007.08.068

has been cited by the following article:

• TITLE: Asymmetry of Sunspot Distribution in KAU Solar Observations during 22 and 23 Solar Cycles

  AUTHORS: Hassan Mohammad Basurah, Amerah Fouad Dhignah, Fouad Yousef Kamal

  KEYWORDS: Sunspots; Long Solar Cycles; North-south Solar Asymmetry

  JOURNAL NAME: International Journal of Astronomy and Astrophysics, Vol.3 No.4, December 4, 2013

  ABSTRACT: The King Abdul Aziz University (KAU) solar observations of Sunspot on daily passes from 1981 to 2009 are used to investigate the North-South asymmetry variation of the sunspot numbers and its area. We found that the asymmetry dominated to be southern during the last two solar cycles, which evidently exists following a long-term characteristic time scale. Our results were in compliance with the global asymmetry.