Świderski, E. M. (2020). Ingarden and the Quandary of Musical Ontology .......... 239. W D. . Czakon, N. A. . Michna, & L. . Sosnowski (Red.), Roman Ingarden and His Times. Wydawnictwo Księgarnia Akademicka. https://doi.org/10.12797/9788381382106.15