TY  - BOOK
AU  -  May, J. Peter
TI  -  A concise course in algebraic topology
SN  - 9780226511832
AV  - QA612 
PY  - 1999///
CY  - London
PB  - Uni. of Chicago Press
UR  - http://www.math.uchicago.edu/~may/CONCISE/ConciseRevised.pdf
ER  -