%0 Journal Article %A Conner, P. E. %A Hurrelbrink, Jurgen %T The 4-Rank of K 2(0) %J Canadian journal of mathematics %D 1989 %P 932-960 %V 41 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1989-043-0/ %R 10.4153/CJM-1989-043-0 %F 10_4153_CJM_1989_043_0