I. Steller, R. Bolotovsky, M.G. Rossmann, An Algorithm for Automatic Indexing of Oscillation Images using Fourier Analysis. J. Appl. Cryst. (1997) 30, 1036-1040.
Subset of CCTB code from rstbx/dps_core
:
http://sourceforge.net/p/cctbx/code/HEAD/tree/trunk/rstbx/dps_core/