TY  - BOOK
AU  - Penner,R.C.
AU  - Harer,J.L.
TI  - Combinatorics of train tracks 
SN  - 9780691025315
U1  - 519.14 
PY  - 1992///
CY  - Princeton
PB  - PUP
KW  - MATHEMATICS
KW  - GEODESICS
KW  - CW COMPLEXES
KW  - COMBINATIONAL ANALYSIS
ER  -