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4by Zheng, Shuxian, Wang, Guizhong, Zhang, Fang, Cai, Minghong, He, JianfengGet access
Published in Polar Record (2010)
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14by Belchansky, Gennady I., Mordvintsev, Ilia N., Ovchinnikov, Gregory K., Douglas, David C.Get access
Published in Polar Record (1995)
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