http://130.95.176.70/wiki/index.php/Quick_Start_Guide_for_CrystalExplorer_3.0
http://www.xrayforum.co.uk/viewtopic.php?f=155&t=2299
http://crm2.univ-lorraine.fr/lab/en/research/biomod/software-moprosuite/
http://www.chemsoft.ch/qc/ubuntucp.html