%0 Journal Article %T Review of Survey activities 2006: Environmental change in Danish marine waters during the Roman Warm Period inferred from mollusc data %A Rasmussen %A Peter %A Petersen %A Kaj Strand %A Ryves %A David B. %J Geological Survey of Denmark and Greenland Bulletin %D 2007 %I Geological Survey of Denmark and Greenland %K Geological Survey of Denmark and Greenland %K survey organisations %K current research %K Denmark %K Greenland %U http://www.geus.dk/publications/bull/nr13/nr13_p21-24.pdf