PETAC, Silvestru. “THE SIGNIFICANCE OF IMPROVISATION IN THE ETHNOGRAPHIC TYPE DANCES. A SHORT CASE STUDY: THE ‘CĂLUŞ’”. Studia Universitatis Babeș-Bolyai Musica, vol. 60, no. 1, June 2015, pp. 171-84, https://studia.reviste.ubbcluj.ro/index.php/subbmusica/article/view/5082.