Arctic sea-ice decline archived by multicentury annual-resolution record from crustose coralline algal proxyDOI: info:10.1073/pnas.1313775110v. 110No. 49National Academy of Sciences (U.S.)19737–19741
Halfar, Jochen, Adey, Walter H., Kronz, Andreas, Hetzinger, Steffen, Edinger, Evan, and Fitzhugh, William W. 2013. "Arctic sea-ice decline archived by multicentury annual-resolution record from crustose coralline algal proxy." Proceedings of the National Academy of Sciences of the United States of America, 110, (49) 19737–19741. https://doi.org/10.1073/pnas.1313775110.