id	domain	url
hindsight-4189	www.opt.indiana.edu	www.opt.indiana.edu/ohs/opthohiso.html
hindsight-4189	www.opt.indiana.edu	www.opt.indiana.edu/bcor/borishbook/borish.pdf
hindsight-4189	www.opt.indiana.edu	www.opt.indiana.edu/bcor/borishbooklindex.htm