2007.10	・Find the lowest price for the Kowa XD 8.5x44 Prominar (Genesis) The article written by Mr. Renze de Vries for BirdForum Reviews (Ref. : URL http://www.birdforum.net/reviews/showproduct.php/product/240/limit/recent)
2007.03	・Viewing nature in the best possible way The article written by Dr. Mark Brazil (Ref. : URL http://search.japantimes.co.jp/cgi-bin/fe20070321mb.html)