I wish your link was accessible without ACM credentials as well but luckily had someone who is a member and could get it for me. Another one neatly summarizing

I wish your link was accessible without ACM credentials as well but luckily had someone who is a member and could get it for me. Another one neatly summarizing the salient points is here http://www.gaon.net/vashti/ps/Gal92a.pdf http://www.gaon.net/vashti/ps/Gal92a.pdf