http://kin.naver.com/open100/db_detail.php?d1id=11&dir_id=110209&eid=itSqEJlf7jjuiYfiRgsKfEGM+z2D4TDR&qb=yMSwory+vK2/+Liu
http://mulli2.kps.or.kr/~pht/8-1_2/index.html
http://www.duke.edu/~kmg/cps296/report.html
http://www.springerlink.com/content/r42471l06u04888u/?p=923cfa2a1cb84837ab8826e7f73bd419&pi=0
http://www.animateprojects.org/films/by_date/2007/mag_mov
http://www.nearfield.org/2007/12/fictional-radio-spaces
http://myspacetv.com/index.cfm?fuseaction=vids.individual&videoid=21928598