@CONFERENCE{mcgaffin:16:apa, author = {M. G. McGaffin and J. A. Fessler}, title = {Accelerated parallel and distributed iterative coordinate descent {(ICD)} for {X-ray} {CT}}, booktitle = {{Proc. 4th Intl. Mtg. on Image Formation in X-ray CT}}, pages = {{537--40}}, url = {http://ctmeeting.shpci.org/data/ProceedingsCTMeeting2016.pdf}, year = 2016 }