Walter-Mazur M. The Discovery at Poznań University Library of Missing Parts for Four Vocal Pieces by Grzegorz Gerwazy Gorczycki and Three Others Attributed to Him . m [Internet]. 2023 Oct. 17 [cited 2024 Jul. 23];68(3):23-49. Available from: https://czasopisma.ispan.pl/index.php/m/article/view/2073