“Wacław Brzeziński, Legal Protection of Natural Environment in Poland, Wrocław 1974, Ossolineum, 156 Pages”. Contemporary Central & East European Law, no. 1 (37) (December 31, 1978): 57–58. Accessed October 6, 2025. https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1400.