TY  - BOOK
AU  - Blackett,Donald W.
TI  - Elementary topology: a combinatorial and algebraic approach 
SN  - 0121030601 (pbk.)
AV  - QA612 .B6 1982
U1  - 514/.2 19
PY  - 1982///
CY  - London, New York
PB  - Academic Press
KW  - Algebraic topology
KW  - Mathematics
N1  - Includes index; Bibliography: p. 219
ER  -