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		| Paper: | 
		Long-term Photometric Monitoring of Cool Hydrogen-deficient Carbon Stars | 
	 
	
		| Volume: | 
		83, Astrophysical Applications of Stellar Pulsation, IAU Colloquium 155 | 
	 
	
		| Page: | 
		431 | 
	 
	
		| Authors: | 
		Cottrell, P. L.; Gilmore, A. C.; Kilmartin, P. M.; Lawson, W. A. | 
	 
	
	
		| Abstract: | 
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