The latest 1998 J.I. Langford LAPOD Powder Unit Cell Refinement Software in the form of Fortran source code, DOS executable and example file is available at. http://www.ccp14.ac.uk/ccp/web-mirrors/lapod-langford/ This also includes some comments by J.I.Langford on using LAPOD and correctiing powder data for instrumental peak shifts. ------ If you compile up a version of this for other operating systems for active use, please feel free to make this available on the web or E-mail this in for adding on the LAPOD web-area. Lachlan. -- Lachlan M. D. Cranswick Collaborative Computational Project No 14 (CCP14) for Single Crystal and Powder Diffraction Daresbury Laboratory, Warrington, WA4 4AD U.K Tel: +44-1925-603703 Fax: +44-1925-603124 E-mail: [EMAIL PROTECTED] Ext: 3703 Room C14 NEW CCP14 Web Domain (Under heavy construction): http://www.ccp14.ac.uk