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		| Paper: | 
		O - C Analysis Software | 
	 
	
		| Volume: | 
		335, The Light-Time Effect in Astrophysics:  Causes and Cures of the O - C diagram | 
	 
	
		| Page: | 
		65 | 
	 
	
		| Authors: | 
		Berdnikov, L.N. | 
	 
	
	
		| Abstract: | 
		An algorithm is described for computer implementation of the Hertzsprung method, the most accurate method of determining the times of brightness extrema of variable stars with stable light curves. A computer programme which was written for this algorithm includes also some of the most frequently used operations with O – C data. | 
	 
	
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