http://www.eecs.umich.edu/~fessler/ Dr John Fessler web page. He does MRI
and this page contains software and papers. The link below is MRI data found on this
page.
http://www.slaney.org/pct/ Book Principles of Computerized Tomographic
Imaging. See chapter 7. Here is the web page of the book which can be downloaded
for free or buy from amazon by Avinash C. Kak and Malcolm Slaney