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		| Paper: | 
		Optical Variability of the Be Star &ogr; And during the Period 1975-1998: Rotational Modulation or Multimodal Pulsations? | 
	 
	
		| Volume: | 
		214, The Be Phenomenon in Early-Type Stars, IAU Colloquium 175 | 
	 
	
		| Page: | 
		205 | 
	 
	
		| Authors: | 
		Guerrero, G.; Sareyan, J. P.; Álvarez, M.; Chauville, J.; Arellano Ferro, A.; Mathias, P.; Pena, J.; Garciá, E. | 
	 
	
	
		| Abstract: | 
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