1.http://blog.naver.com/PostView.nhn?blogId=65monster&logNo=221218573056
2.http://blog.daum.net/rnjsdudan427/19729
3.http://blog.daum.net/rnjsdudan427/19729
4.http://mlbpark.donga.com/mp/view.php?u=http%3A%2F%2Fm.pressian.com%2Fm%2Fm_article.html%3Fno%3D62256