TY - BOOK AU - Hatcher, Allen TI - Algebraic topology SN - 9780521795401 (hbk) U1 - 514.2 PY - 2001/// CY - Newyork PB - Cambridge University Press KW - Algebraic topology N1 - 1. Some underlying geometric notions 2. The fundamental group 3. Homology 4. Cohomolgy 5. Homotopy theory ER -