PETAC, Silvestru. 2015. “THE SIGNIFICANCE OF IMPROVISATION IN THE ETHNOGRAPHIC TYPE DANCES. A SHORT CASE STUDY: THE ‘CĂLUŞ’”. Studia Universitatis Babeș-Bolyai Musica 60 (1):171-84. http://193.231.18.162/index.php/subbmusica/article/view/5082.