And I didn't have much time to post more. I used Google.

http://cfa-www.harvard.edu/cfa/ps/nelpag.html

http://members.aol.com/ctstarwchr/

http://members.aol.com/copernicanview/

http://www.skypub.com/resources/lightpollution/lightpollution.html

http://www.skypub.com/resources/lightpollution/dissecting.html

http://www.cshore.com/astroman/astro/litepol.htm

Do you want more?