Szwalec, Artur, Andrzej Gruchot, Paweł Mundała, Eugeniusz Zawisza, and Renata Kędzior. 2018. “Physicochemical and Geotechnical Properties of an Ash-Slag Mixture Deposited on a Landfill in Terms of Its Use in Engineering”. Geology, Geophysics and Environment 43 (2): 127. https://doi.org/10.7494/geol.2017.43.2.127.