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		| Paper: | 
		A Search for Cyclic Activity of Red Dwarfs  Using Photometric Surveys | 
	 
	
		| Volume: | 
		518, Physics of Magnetic Stars | 
	 
	
		| Page: | 
		180 | 
	 
	
		| Authors: | 
		Bondar', N. I.; Gorbunov, M. A.; Shlyapnikov, A. A. | 
	 
	
	
		| Abstract: | 
		Modern databases and  series of observations allow making progress in the study of magnetic activity of solar-type stars and cold dwarfs. The digitizing of wide-field plates in large archives gives historical data, expanding investigated time intervals up to a century.  We consider photometric sources for the search and study of activity cycles and present the results for several red dwarfs. | 
	 
	
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