TY  - BOOK
AU  - Greenberg, Marvin J.
AU  - Harper, John R.
TI  - Algebraic topology: a first course
SN  - 9780367475604
U1  - 514.2 G8291a 
PY  - 1981///
CY  - Boca Raton
PB  - CRC Press
KW  - Elementary homotopy theory
KW  - Manifolds
KW  - Fixed point theorem
ER  -