http://slashdot.jp/story/12/04/10/0230245/

http://gigazine.net/news/20120410-laser-pointer/

http://internet.watch.impress.co.jp/docs/yajiuma/latest.html

http://news.goo.ne.jp/article/jiji/nation/jiji-120410X312.html?fr=rk

http://gigazine.net/news/20120410-first-arrested-with-drone/

http://www.gov-online.go.jp/useful/article/201204/2.html

http://www.amazon.co.jp/gp/product/4641115095/ref=as_li_ss_tl?ie=UTF8&tag=patentsalon-22&linkCode=as2&camp=247&creative=7399&creativeASIN=4641115095

http://www.yomiuri.co.jp/e-japan/kyoto/news/20120410-OYT8T01269.htm?from=tw

http://www.npa.go.jp/sousa/souni/hurikomesagi_toukei2011.pdf

http://www.fujisan.co.jp/product/1281684001/b/751693/

http://www.hosokai.or.jp/item/annai/etc/book_use.html http://matimura.cocolog-nifty.com/matimulog/2011/12/book-04aa.html

http://headlines.yahoo.co.jp/hl?a=20120410-00000603-san-soci