%0 Journal Article
%A Hartley, Richard
%A Murasugi, Kunio
%T Homology Invariants
%J Canadian journal of mathematics
%D 1978
%P 655-670
%V 30
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-057-6/
%R 10.4153/CJM-1978-057-6
%F 10_4153_CJM_1978_057_6