System prawa ochrony zwierząt w Niemczech (zagadnienia ogólne): [System of legal protection of animals in Germany (basic issues)]. Studia Prawnicze / The Legal Studies, [S. l.], n. 1 (187), p. 143–182, 2011. DOI: 10.37232/sp.2011.1.6. Disponível em: https://czasopisma.inp.pan.pl/index.php/sp/article/view/2560. Acesso em: 6 oct. 2025.