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		| Paper: | 
		The Neon Abundance in WR Stars: Testing Massive Star Evolution | 
	 
	
		| Volume: | 
		388, Mass Loss from Stars and the Evolution of Stellar Clusters | 
	 
	
		| Page: | 
		233 | 
	 
	
		| Authors: | 
		Willis, A.J.; Crowther, P.; Morris, P.; van der Hucht, K.; Smith, J.D.T.; Marston, A.P.; Hillier, J.; Williams, P. | 
	 
	
	
		| Abstract: | 
		The neon abundance in WR stars provides one of the most sensitive tests of massive star evolution theory being predicted to undergo enhancements of ×10 (WC phase) up to ×100 (WO phase). Results from ISO are summarized and our new IR programme with the Spitzer satellite is outlined. | 
	 
	
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