http://www.wsanford.com/~wsanford/exo/b-day_moons.html 

http://tycho.usno.navy.mil/vphase.html 

http://153.90.193.71/ceres/demo/moon/html/birthday1.htm 

http://liftoff.msfc.nasa.gov/academy/universe/moon.html 

http://btc.montana.edu/ceres/html/Quemoonmyths5-8.html Moon Myths Quest  

http://btc.montana.edu/ceres/html/Quemoon1.html moon quest