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Dyfyniad Arddull ChicagoSjöberg, Rabbe. Bedrock Caves and Fractured Rock Surfaces in Sweden: Occurence and Origin. Stockholm, Sweden: Paleogeophysics & Geodynamics, Stockholm University, 1994.
Dyfyniad MLASjöberg, Rabbe. Bedrock Caves and Fractured Rock Surfaces in Sweden: Occurence and Origin. Paleogeophysics & Geodynamics, Stockholm University, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.