TY  - BOOK
AU  - Bedford, T., ed.
AU  - Swift, J., ed.
TI  - New directions in dynamical systems
T2  - London mathematical society lecture note series
SN  - 0 521 34880 3
U1  - 003 
PY  - 1988///
CY  - Cambridge
PB  - Cambridge University Pres
ER  -