Karpen, V. A. (2002). Fluid discharge at different seep environments: Distribution, flow rate, and influence on particle resuspension. Universität Kiel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKarpen, Volker A. Fluid Discharge at Different Seep Environments: Distribution, Flow Rate, and Influence on Particle Resuspension. Germany: Universität Kiel, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKarpen, Volker A. Fluid Discharge at Different Seep Environments: Distribution, Flow Rate, and Influence on Particle Resuspension. Universität Kiel, 2002.
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