@Article{303347,
     author = "Rudolf Jakhel, Willy Pieter",
     title = "Changes in participation motives in karate between 1970–1999 ",
     year =  2013,
     volume =  13,
     number =  1,
     journal =  Ido Movement for Culture : journal of martial arts anthropology : theory of culture, psychophysical culture, cultural tourism, anthropology of martial arts, combat sports,
     pages =  s. 48-57,
    }