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[1] http://www1.accsnet.ne.jp/~et/etul/psd.html : Robotics ¤Î¥Ú¡¼¥¸
[2] http://www.aafarm.com/ogikubo/tech/psd/psd.html : AAF@Ogikubo ¤Î¥Ú¡¼¥¸
[3] ¥·¥ã¡¼¥×GP2D12¥Ç¡¼¥¿¥·¡¼¥È