Erik Pogalin Andrew H. C. Thean Jan Baan Nellie Schipper Arnold W. M. Smeulders Video-based Training Registration for Swimmers. 2007 6 Int. J. Comp. Sci. Sport 1 http://iacss.org/fileadmin/user_upload/IJCSS_Abstracts/Vol6_Ed1/IJCSS-Volume6_Edition1_Abstract_Pogalin.pdf db/journals/ijcssport/ijcssport6.html#PogalinTBSS07