%0 conference lecture %@ %A Ducklow, H. W.,Hoppe, H.-G.,Karrasch, B.,Stirling, M.,Mehrens, M.,Quinby, H. %D 1990 %J 4th EMM (European Marine Microbiology) Symposium %N %P %T Bacterioplankton response to the spring bloom at 47°N, 20°W %U %X