electronic reprint Acta Crystallographica Section A Foundations of Crystallography ISSN 0108-7673 Whole powder pattern modelling P. Scardi and M. Leoni Copyright © International Union of Crystallography Author(s) of this paper may load this reprint on their own web site provided that this cover page is retained. Republication of this article or its storage in electronic databases or the like is not permitted without prior permission in writing from the IUCr. Acta Cryst. (2002). A58, 190–200 Scardi and Leoni Whole powder pattern modelling