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		| Paper: | 
		The Missing-Opacity Problem in O-rich Winds: an Impression  of the State of Affairs | 
	 
	
		| Volume: | 
		445, Why Galaxies Care about AGB Stars II: Shining Examples and Common Inhabitants | 
	 
	
		| Page: | 
		373 | 
	 
	
		| Authors: | 
		Verhoelst, T. | 
	 
	
	
		| Abstract: | 
		We discuss the various observations and identifications of continuous 
 infrared opacity sources in the dusty winds of evolved O-rich Mira 
 and red supergiant (RSG) stars. In particular, we put these in the 
 context of the difficulty of driving such a dusty O-rich wind in 
 self-consistent models. | 
	 
	
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