TY  - BOOK
AU  - Fre, Pietro Giuseppe
TI  - Gravity a Geometrical Course vol 2: black holes, cosmology and introduction to supergravity 
SN  - 9789400798854
U1  - 531.14 
PY  - 2013///
CY  - New York
PB  - Springer
KW  - Gravity
KW  - SCIENCE -- Mechanics -- General
KW  - Mechanics.
ER  -