Search for: [References = "30. Mazur\-Pączka A., Pączka G., Kostecka J., 2017, Lumbricidae in the Process of Monitoring of the State of Land Reclamation of Former Sulphur Mine in Jeziórko, Journal of Ecological Engineering, 18, 6, s. 53\-58. https\:\/\/doi.org\/10.12911\/22998993\/76835"]