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Publications
Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
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Freund, D.; Rybacki, E.; Dresen, G. (2001): Effect of impurities on grain growth in synthetic calcite aggregates. Physics and Chemistry of Minerals, 28, 10, 737-745.
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Nover, G.; Heikamp, S.; Freund, D. (2000): Electrical impedance spectroscopy used as a tool for the detection of fractures in rock samples exposed to either hydrostatic or tri-axial pressure conditions. Natural Hazards, 21, 2-3, 317-330.
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Nover, G.; Heikamp, S.; Meurer, H.-J.; Freund, D. (1998): In-situ electrical conductivity and permeability of mid-crustal rocks from the KTB-drilling: Consequences for high conductive layeers in the earth crust. Surveys in Geophysics, 19, 73-85.
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Freund, D.; Nover, G. (1995): Hydrostatic pressure tests for the permeability-formation factor relation on crystalline rocks from the KTB drilling project. Surveys in Geophysics, 16, 47-62.
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Freund, D. (1992): Ultrasonic compressional and shear velocities in dry clastic rocks as a funtion of porosity, clay content, and confining pressure. Geophysical Journal International, 108, 125-135.
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Hoth, P.; Spangenberg, E.; Rockel, W.; Freund, D. (1997): Speichercharakterisierung und Nutzhorizonte. - In: Hoth, P.; Seibt, A.; Kellner, T.; Huenges, E. (Eds.), Geowissenschaftliche Bewertungsgrundlagen zur Nutzung hydrogeothermaler Ressourcen in Norddeutschland ; Geothermie Report 97-1, Geoforschungszentrum Potsdam, 44-57.
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Spangenberg, E.; Hoth, P.; Freund, D. (1997): Charakterisierung von Intergranularspeichern unter Berücksichtigung der Feinstruktur des Porenraums. 57. Jahrestagung Deutsche Geophysikalische Gesellschaft (Potsdam Germany 1997), 387.
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