Hi Nigel - the ISBN I listed is the first edition of George's book. I know there was a second edition that included additional data so go looking for that one. I thought I had it in my references but I may have loaned the book to someone! Dave On Thu, Dec 19, 2019 at 7:34 AM Nigel Burtt <[log in to unmask]> wrote: > Yes, Joyce made the same suggestion and I've already made a note to check > our Technical Library for a copy of this, or ask corporate Santa to bring > one. > > Season's Greetings All > > Nigel > >