TY  - GEN
AU  - Singh, Nirdesh kumar
TI  - Space time physics 
SN  - 9789386314499
U1  - 530.11 
PY  - 2017///
CY  - New Delhi
PB  - Random publications
KW  - Space and time
KW  - Relativity (Physics)
KW  - Cosmology
N1  - Includes bibliography and index
ER  -