TY  - BOOK
AU  - Penner,R.C.
AU  - Harer,J.
TI  - Combinatorics of train tracks
SN  - 0691087644 (alk. paper) :
AV  - QA649 .P38 1991
U1  - 511/.6 20
PY  - 1992///
CY  - Princeton, N.J.
PB  - Princeton University Press
KW  - Geodesics (Mathematics)
KW  - CW complexes
KW  - Combinatorial analysis
N1  - Includes bibliographical references (p. 214-216)
ER  -