TY  - BOOK
AU  - Encyclopaedia of Mathematical Sciences
AU  - Lando, Sergei K.
AU  - Zvonkin, Alexander K.;jt. auth
TI  - Low dimensional Topology II: graphs on surfaces and their applications
T2  - Encyclopaedia of Mathematical Sciences
SN  - 3540002030
U1  - 510.3 
PY  - 2004///
CY  - Berlin
PB  - Springer-Verlag
ER  -