least squares molecular refinement programs

[Michael Kenneth Davoli]

	Hi, I am looking for references to parallel least-squares refinement programs
 - in particular for X-ray diffraction data on crystals.  Any architecture, any
language.



		Thanks in advance,

		Michael Davoli

		mdavoli at eng.auburn.edu



*I have also posted this query to comp.sys.transputer, comp.sys.concurrent, 
and comp.parallel


**two previous posting attempts have failed...I think.  Otherwise, apologies