%0 Journal Article %A T. I. Sendul'skaya %A M. Ya. Shpirt %T On the co-precipitation of microquantities of germanium by iron oxide %J Doklady Akademii Nauk %D 1960 %P 1108-1110 %V 134 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_134_5_a30/ %G ru %F DAN_1960_134_5_a30