Leith AD, Baxter B, Frank J. Use of SPIDER and SPIRE in Image Reconstruction. International Tables for Crystallography [Internet]. 2012;F(Crystallography of Biological Macromolecules). http://xrpp.iucr.org/cgi-bin/itr?url_ver=Z39.88-2003&rft_dat=what%3Dchapter%26volid%3DFb%26chnumo%3D19o8%26chvers%3Dv0001