Sjöberg, R. (1994). Bedrock caves and fractured rock surfaces in Sweden: Occurence and origin. Paleogeophysics & Geodynamics, Stockholm University.
Citace podle Chicago (17th ed.)Sjöberg, Rabbe. Bedrock Caves and Fractured Rock Surfaces in Sweden: Occurence and Origin. Stockholm, Sweden: Paleogeophysics & Geodynamics, Stockholm University, 1994.
Citace podle MLA (8th ed.)Sjöberg, Rabbe. Bedrock Caves and Fractured Rock Surfaces in Sweden: Occurence and Origin. Paleogeophysics & Geodynamics, Stockholm University, 1994.
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