TY  - BOOK
TI  - Differential topology 
SN  - 0387901485 | 9780387901480 | 3540901485 | 9783540901488
PY  - 1976///
CY  - New York
PB  - Springer-Verlag
UR  - http://catdir.loc.gov/catdir/enhancements/fy0817/75026615-d.html | http://catdir.loc.gov/catdir/enhancements/fy0817/75026615-t.html
ER  -