%0 journal article %@ 0024-3590 %A Wallmann, K.,Hennies, K.,Koenig, I.,Petersen, W.,Knauth, H.-D. %D 1993 %J Limnology and Oceanography %N 8 %P 1803-1812 %T New procedure for the determination of reactive Fe(III) and Fe(II) minerals in sediments %U 8 %X