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		| Paper: | 
		FITSIO Subroutine Library Update | 
	 
	
		| Volume: | 
		77, Astronomical Data Analysis Software and Systems IV | 
	 
	
		| Page: | 
		245 | 
	 
	
		| Authors: | 
		Pence, W. D. | 
	 
	
	
		| Abstract: | 
		The FITSIO Subroutine Library has been available for 3 years, and has matured into a stable, full-featured interface for reading and writing FITS format files. The main features of the FITSIO interface are discussed, as well as some ideas for future enhancements. | 
	 
	
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