Hi Rebecca, The citation I use is from the 2005 CCP4 study weekend: Scaling and Assessment of Data Quality, Philip Evans, Acta Cryst D 62 72-82. It is open access from www.iucr.org. Cheers, Graeme
________________________________ From: CCP4 bulletin board [mailto:[EMAIL PROTECTED] On Behalf Of Page, Rebecca Sent: 10 July 2007 00:04 To: CCP4BB@JISCMAIL.AC.UK Subject: [ccp4bb] Proper Reference for Phil Evans Program POINTLESS CCP4ers: What is the correct reference for Phil Evans Program POINTLESS? Thanks for your help! Rebecca