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		| Paper: | 
		Atomic Gas in Evolved Stars: PDRs or Shocks? | 
	 
	
		| Volume: | 
		231, Tetons 4: Galactic Structure, Stars, and the Interstellar Medium | 
	 
	
		| Page: | 
		488 | 
	 
	
		| Authors: | 
		Meixner, M.; Fong, David; Sutton, Edmund C.; Castro-Carrizo, Arancha; Bujarrabal, Valentin; Latter, William B.; Tielens, Alexander; Kelley, Douglas M.; Barlow, Michael J. | 
	 
	
	
		| Abstract: | 
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