TY  - BOOK
AU  - Lightman A P
AU  -  Press W H
AU  -  Price R H
AU  -  Teukolsky S A
TI  - Problem book in relativity and gravitation
U1  - CN, L5 TC 
PY  - 1975///
CY  - Princeton
PB  - Princeton University Press       
KW  - Physics
ER  -