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1by Spaans, Bernard, Stock, Martin, St. Joseph, Andrew, Bergmann, Hans-Heiner, Ebbinge, Barwolt S.Get access
Published in Polar Research (1993)
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3by Hassall, Mark, Lane, Simon J., Stock, Martin, Percival, Steve M., Pohl, BarbaraGet access
Published in Wildlife Biology (2001)
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4by Bos, Daan, Loonen, Maarten J.J.E., Stock, Martin, Hofeditz, Frank, Graaf, Alexandra J. van der, Bakker, Jan P.Get access
Published in Journal for Nature Conservation (2005)
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