For anyone confused a bit, here is the author's thesis on Helvetia that goes into a lot more detail: http://scg.unibe.ch/archive/phd/renggli-phd.pdf http://scg

For anyone confused a bit, here is the author's thesis on Helvetia that goes into a lot more detail: http://scg.unibe.ch/archive/phd/renggli-phd.pdf http://scg.unibe.ch/archive/phd/renggli-phd.pdf