TY  - BOOK
AU  - Stephani,Hans  .
AU  - Stewart,John  .
AU  - Martin,Pollock  .
AU  - Stewart,John  .
TI  - General relativity : an introduction to the theory of the gravitational field / 
SN  - 0521379415
U1  - 530.11 
PY  - 1990///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - RELATIVITY THEORY
N1  - Include bibliography
ER  -