David J.C. MacKay wrote:
> Dear Kris
> 	I saw on the net that you have written
> a good page about Cyclic Difference Sets
> and how to construct them.
> 
> Please can you point me to it? 
> 

The CDS-pages are no longer on line. I send them in attachment as a 
compressed archive.

Yours,
-- 
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Kris Coolsaet                     e-mail:   Kris.Coolsaet@rug.ac.be
tel: 09 264 4889                  home:     http://twizz.rug.ac.be/~kc/
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Don't eat the green wobbly bit.                      -- Terry Pratchett