Wacław Brzeziński, Legal Protection of Natural Environment in Poland, Wrocław 1974, Ossolineum, 156 pages. Contemporary Central & East European Law, [S. l.], n. 1 (37), p. 57–58, 1978. Disponível em: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1400. Acesso em: 6 oct. 2025.