Bowing in Japan

http://www.tofugu.com/2010/07/12/bowing-in-japan-japanese-etiquette/
http://gojapan.about.com/cs/etiquetteinjapan/a/bowing.htm
http://www.japan-talk.com/jt/new/14-types-of-bow-in-japan
http://www.wikihow.com/Bow-in-Japan
http://www.japan-guide.com/e/e2000.html
http://www.jnto.go.jp/eng/indepth/exotic/lifestyle/bow.html
http://martywalpole.wordpress.com/2010/03/05/japans-bow-what-does-it-mean/
http://www.kcpstudentlife.com/culture/bowing/