1. Features of Spatiotemporal Clustering in a Maunder Butterfly Diagram;Geomagnetism and Aeronomy;2019-12
2. The Butterfly Diagram Internal Structure;Journal of Physics: Conference Series;2013-06-11
3. Phenomenological Understanding of the Solar Cycle;Physics of Solar Planetary Environments: Proceedings of the International Symposium on Solar-Terrestrial Physics, June 7-18,1976 Boulder, Colorado, Volume I;2013-03-19
4. Latitudinal Distribution of Sunspots Revisited;Journal of Astronomy and Space Sciences;2011-03-15
5. The butterfly diagram internal structure;Astrophysics and Space Science;2010-01-29