PŁUSKA, Ireneusz. The problems connected with the conservation of Stanisław Wyspianski’s bas-relief Macierzyństwo [Motherhood] executed in plasticine - science and art. Przestrzenie Teorii, [S. l.], n. 9, p. 207–213, 2009. DOI: 10.14746/pt.2008.9.15. Disponível em: https://pressto.amu.edu.pl/index.php/pt/article/view/12025. Acesso em: 18 may. 2024.