Begeni, P., & Csatáryová, M. (2009). Catalog of naked-eye observations of sunspots from 1988 to 2007. Prešovská univerzita.
Chicago Style (17th ed.) CitationBegeni, Peter, and Mária Csatáryová. Catalog of Naked-eye Observations of Sunspots from 1988 to 2007. Prešov: Prešovská univerzita, 2009.
MLA (9th ed.) CitationBegeni, Peter, and Mária Csatáryová. Catalog of Naked-eye Observations of Sunspots from 1988 to 2007. Prešovská univerzita, 2009.
Warning: These citations may not always be 100% accurate.


