TY  - BOOK
AU  - Greub, Werner and Others.
AU  - Halperin, Stephen ; jt. auth.
AU  - Vanstone, Ray ; jt. auth.
TI  - Connections, curvature and cohomology
T2  - Pure and Applied Mathematics
U1  - 516 
PY  - 1972///
CY  - New York
PB  - Academic Press
ER  -