Note for LAPOD - the latest verson of the source code and example file is at: http://www.ccp14.ac.uk/ccp/web-mirrors/lapod-langford/ LAPOD - Least-Squares Refinement of Cell Dimensions from Powder Data by Cohen's Method. PROGRAM AUTHOR - J. Ian Langford, School of Physics & Space Research, University of Birmingham, Birmingham B15 2TT, UK. Tel. (44) 21 414 4662/4666; FAX (44) 21 414 4719; E-Mail: J.I.LANGFORD@BHAM.AC.UK REFERENCE - Langford, J.I., J. Appl. Cryst. 4, 259-260 (1971) and 6, 190-196 (1973)