TY  - DATA
AU  - Kannan, V.
TI  - Ordinal invariants in topology 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470406523 (online)
PY  - 1981///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0245
ER  -