Kubiak, J., Machula, S., Czerniejewski, P., Brysiewicz, A., & Wawrzyniak, W. (2021). Long term changes in the quality and water trophy of Lake Ińsko - the effect of the re-oligotrophication?. Journal of Water and Land Development, 51(51), 30–37. https://doi.org/10.24425/jwld.2021.139012