Kd. Hammonds et al., CRUSH - A FORTRAN PROGRAM FOR THE ANALYSIS OF THE RIGID-UNIT MODE SPECTRUM OF A FRAMEWORK STRUCTURE, The American mineralogist, 79(11-12), 1994, pp. 1207-1209
Crush is a program designed to calculate the rigid-unit mode spectrum
for any given framework structure. Release version 1.1 is now availabl
e and contains some new features compared with the prerelease version
described elsewhere.