TY  - BOOK
AU  - HARTLE (James B).
TI  - Gravity: an introduction to Einsteins general relativity
SN  - 9788131700501
U1  - 530.11 HARG 23
PY  - 2013///
CY  - New York
PB  - Pearson Education Pvt Ltd
KW  - Theoretical Physics
ER  -