%0 journal article,GKSS report %@ 0011-6297 %A Wernecke, G.,Floeser, G.,Korn, S.,Weitkamp, C.,Michaelis, W. %D 1994 %J Bulletin of the Geological Society of Denmark %N %P 5-11 %T First measurements of the methane concentration in the North Sea with a new in-situ device %U %X