Bibliography:

http://www.zhb.gov.cn/english/biodiv/domestic_law_en/boat_dismantle_en.htm

http://www.bretagne-environnement.org/rubrique.php3?id_rubrique=50

http://www.geocities.com/RainForest/5020/s101b.htm

http://www.hc-sc.gc.ca/francais/vsv/environnement/smog.html

http://www.cybersciences.com/cyber/4.0/juin98/seadoo.asp