DEF Match and analyse phases to reference set kasumi.chem.york.ac.uk cowtan alpha_rev_3343 cphasematch 12:11 20/Mar/15 Match and analyse phases to reference set CObsDataFile True 1,2,3,4 False True CPhsDataFile 1,2 False True F_SIGF CPhsDataFile 1,2 False True F_SIGF CPhsDataFile 1 2 CPhaseErrorPerformance