Yasuhiro Yamashita (JPN) - Robert van de Walle (NED) [open] Judo 1981 World Championships Maastricht Maastricht video, movie, film, championnat, monde, campionato, copa, mundo, world, cup, weltmeisterschaft, Judoschool Jan Snijders, Oirschot, Bladel, Deurne, Gemert