WOJTASIK, M.; SZATTEN, D. A. Kategorie optymalnych dla roślin gęstości gleb = Categories of optimal bulk density of soils for plants. Journal of Education, Health and Sport, [S. l.], v. 5, n. 7, p. 301–313, 2015. Disponível em: https://apcz.umk.pl/JEHS/article/view/2791. Acesso em: 6 may. 2024.