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