This discussion is very interesting - are any of the referenced documents easily available on the web? It is more or less casual curiosity for me, and I'd love to be able to read them if they are already posted that you know of. Thanks! <L> Lou Judson • Intuitive Audio 415-883-2689 On Jan 2, 2009, at 3:42 PM, George Brock-Nannestad wrote: > > These are essential reading, and they are in English. But there are > several > more.