이퀄라이징

http://blog.daum.net/_blog/BlogTypeView.do?blogid=0FQVJ&articleno=6407418&categoryId=3&regdt=20100628171858#ajax_history_5
http://blog.daum.net/madhawk5/62
http://cafe.daum.net/snorkeling

http://blog.naver.com/ladien?Redirect=Log&logNo=130013012903
http://www.freediving-philippines.com/index.php?option=com_content&view=section&layout=blog&id=16&Itemid=53&lang=en


http://cafe.daum.net/powerswimming/Do6T/27?docid=zEkUDo6T2720050602133851
http://cafe.daum.net/songpaam6/K6TJ/7?docid=1HCHjK6TJ720100509164425