TY  - BOOK
TI  - Rational homotopy theory: NULL
T2  - Graduate texts in mathematics
SN  - 0387950680 (acid-free paper)
PY  - 2001///
CY  - New York
PB  - Springer
N1  - NULL
UR  - http://www.loc.gov/catdir/enhancements/fy0818/00041913-d.html | http://www.loc.gov/catdir/enhancements/fy0818/00041913-t.html
ER  -