TY  - JOUR
AU  - B. Mohar
TI  - Branched Coverings.
JO  - Discrete & computational geometry
PY  - 1988
SP  - 339
EP  - 348
VL  - 3
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DCG_1988__3_1-2_131055/
ID  - DCG_1988__3_1-2_131055
ER  -