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		| Paper: | 
		FIFI LS: The Field-Imaging Far-Infrared Line Spectrometer for SOFIA | 
	 
	
		| Volume: | 
		247, Spectroscopic Challenges of Photoionized Plasmas | 
	 
	
		| Page: | 
		515 | 
	 
	
		| Authors: | 
		Klein, R.; Henning, Th.; Looney, L. W.; Geis, N.; Genzel, R.; Poglitsch, A.; Raab, W.; Rosenthal, D. | 
	 
	
	
		| Abstract: | 
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