Joniec J., Frąc M.:  Microbial functional diversity and enzymatic activity of soil degraded by sulphur mining reclaimed with various waste (2017 r.) International Agrophysics 2017, Vol. 31, 4, 465-473

Joniec J., Frąc M.:  Microbial functional diversity in the soil degraded by sulphur mining, subjected to reclamation with various waste (2016 r.) 11th International Conference on Agrophysics: Soil, Plant & Climate, Lublin 26-28.09.2016 r. 2016, 122-122