KUČERA, Miloš. On the Problem of Game: Example of a Teen-age Class. Lidé města, [S. l.], v. 1, n. 1/1, p. 3–28, 1999. DOI: 10.14712/12128112.3959. Disponível em: https://ojs.cuni.cz/lidemesta/article/view/3959. Acesso em: 4 apr. 2025.