Bebak M. A previously unknown source of Bartłomiej Pękiel’s ’Missa in defectu unius contraaltus’ from the Archives of the Cracow Cathedral Chapter. m [Internet]. 2018 Oct. 2 [cited 2024 May 20];63(3):111-6. Available from: https://www.czasopisma.ispan.pl/index.php/m/article/view/516