TY - JOUR AU - Litherland, R. A. TI - The Homology of Abelian Covers of Knotted Graphs JO - Canadian journal of mathematics PY - 1999 SP - 1035 EP - 1072 VL - 51 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1999-046-7/ DO - 10.4153/CJM-1999-046-7 ID - 10_4153_CJM_1999_046_7 ER -