TY  - JOUR
AU  - Gordon, C. Mca.
AU  - Litherland, R. A.
AU  - Murasugi, K.
TI  - Signatures of Covering Links
JO  - Canadian journal of mathematics
PY  - 1981
SP  - 381
EP  - 394
VL  - 33
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1981-032-3/
DO  - 10.4153/CJM-1981-032-3
ID  - 10_4153_CJM_1981_032_3
ER  -