> 
> Once upon a time there was a programme titled "RAD"
> for Radial Distribution Function analysis from Bulgaria. It was 
> apparently available as public domain. Has anyone heard of it
> or of a suitable substitute, and if so at what cost?
> 
> Also our group is struggling with an incommensurately modulated
> phase. Is there a programme for X-ray profile refinement of such
> materials?
> 
> We would be extremely grateful for any assistance in the search
> and thank you for your attention.
> 
> 
> 
You could get information about software for analysis of incommensurate 
modulated structures from Dr. Brecs' groups at the institute of materials 
of Nantes (IMN) in France. I am not sure of the e-mail address but try 
either one of the following:Brec@cnrs-imn.fr or Brec@imn-cnrs.fr. Good luck. 
Abdessadek Lachgar
Department of Chemistry
Wake Forest University
Winston-Salem, NC 27109
tel: (910) 759-4676
fax: (910) 759-4656