TY  - BOOK
AU  - 
AU  - Herrera, Rafael, Ed.
TI  - Geometry of manifolds with non-negative sectional curvature
SN  - 978331906372
U1  - 510.4 
PY  - 2014///
CY  - New York
PB  - Springer
KW  - Mathematics
UR  - http://link.springer.com/bookseries/304
ER  -