Augustin Devaux  <br />Les Chartreux et les mélodies de leur graduel,  in: László Dobszay (ed.), Cantus planus. Papers read at the 6th meeting International musicological Society, Eger, 06.09.1993 - 11.09.1993 , dl. 1, Budapest, 1995, 225-250<br />[Devaux 1995]