http://www.abc.net.au/news/newsitems/200503/s1313034.htm
http://www.abc.net.au/news/newsitems/200503/s1312961.htm
http://www.skyos.org/
http://www.nagaoka-id.ac.jp/gallery/gallery.html
http://story.news.yahoo.com/news?tmpl=story&u=/ap/20050228/ap_on_sc/japan_space&e=1&ncid=
http://story.news.yahoo.com/news?tmpl=story&cid=583&ncid=583&e=15&u=/nm/20050223/od_nm/odd_japan_korea_north_dc
http://www.suntimes.com/output/news/cst-nws-squirrel28.html
http://washingtontimes.com/commentary/20050226-101212-8072r.htm
http://joongangdaily.joins.com/200502/25/200502252220592779900090609062.html
http://www.sciencentral.com/articles/view.php3?type=article&article_id=218392491
http://www.sensitive-object.com/pages/en/index.html
http://www.iol.co.za/index.php?set_id=1&click_id=116&art_id=qw1109572380520A141