WĘGRZYNEK, Beata. Differentiation of arable field weed communities in the northern part of the Silesian Upland (S Poland). Plant Breeding and Seed Science, [S. l.], v. 61, p. 85–92, 2010. Disponível em: https://ojs.ihar.edu.pl/index.php/pbss/article/view/587. Acesso em: 6 dec. 2025.