TY  - BOOK
AU  - Algebraic topology
TI  - Algebraic topology: abel symposium 2007:proceedings of the fourth abel Symposium. Oslo, Norway, August 5-10, 2007
SN  - 3-642-01199-3
PY  - 2009///
CY  - Berlin
PB  - Springer
KW  - Algebraic topology
ER  -