POŁEĆ, M.; ALEKSANDER-KWATERCZAK, U.; WĄTOR, K.; KMIECIK, E. The occurrence of microplastics in freshwater systems – preliminary results from Krakow (Poland). Geology, Geophysics and Environment, [S. l.], v. 44, n. 4, p. 391, 2018. DOI: 10.7494/geol.2018.44.4.391. Disponível em: https://journals.agh.edu.pl/geol/article/view/3005. Acesso em: 5 may. 2024.