Reese Jr, Terry and Kyle Barnerjee (2008). Building Digital Libraries. How-to-do-it manual no 153. Neal-Schuman. first part available at http://local.openlib.org/home/krichel/courses/read/reese08_build_digit_librar0-4.pdf, second part available at http://local.openlib.org/home/krichel/courses/read/reese08_build_digit_librar5-10.pdf.