http://www-comm.pac.dfo-mpo.gc.ca/pages/release/p-releas/1995/nr9558_f.htm
http://www.matin.qc.ca/monde.php?article=20051023131717
http://www.nissen.de/fr/niswlessg.htm
http://www.info07.com/index.php?option=news&Itemid=2&topid=28&task=viewarticle&artid=4664&themeSwitch=