[1]
Stankowski, W. 2012. Transformation from natural (thermal contraction) to anthropogenic (resource exploitation) depressions in the Krotoszyn-Koźmin-Raszków area (Polish Lowland). Geologos. 18, 1 (Apr. 2012), 43–50. DOI:https://doi.org/10.2478/v10118-012-0004-2.