On Tue, 14 Oct 2014, Luca Nini wrote:

> > http://repository.cmu.edu/cgi/viewcontent.cgi?article=3407&context=compsci
> 
> Thank yiou Clem.  I remember this paper...

Seconded.  I had graduated by then, but I certainly remember being taught 
something like it in Computer Science.

-- 
Dave Horsfall (VK2KFU)
http://www.horsfall.org/spam.html