It's not an article. It's a digitized version of one section of a chapter of a book from May 1988. Which is in turn volume 2 of a 2 volume manual set, with th

It's not an article. It's a digitized version of one section of a chapter of a book from May 1988. Which is in turn volume 2 of a 2 volume manual set, with the diagrams in volume 1.