TY  - GEN
AU  - Croom,Fred H
TI  - Basic concepts of algebraic topology
SN  - 0387902880
U1  - 514.2 
PY  - 1978///
CY  - New York
PB  - Springer-Verlag
KW  - Algebraic topology
N1  - Contine Bibliografie si Index
ER  -