TY  - BOOK
AU  - Hartle, James B.  .
TI  - Gravity : an introduction to einstein`s general relativity / 
SN  - 81-297-0094-8
U1  - CK 
PY  - 2003///
CY  - Delhi : 
PB  - Pearson Education(Singapore) Pte. Ltd. , 
KW  - Physics
ER  -