TY  - GEN
AU  - Ohanian, Hans C.
AU  - Ruffini, Remo
TI  - Gravitation and spacetime
SN  - 9781107012943
PY  - 2013///
CY  - New York
PB  - Cambridge university press
KW  - Gravitation
KW  - Space and time
KW  - Cosmology
KW  - Black holes
ER  -