Urbanowicz, M. (2020). A Collage-Like Work of Music. Aspects of Variation Technique in Maria Szymanowska’s Nocturne in B-flat Major. Kwartalnik Młodych Muzykologów UJ, 2020, 5-20. doi: https://doi.org/10.4467/23537094KMMUJ.20.034.13907