TY  - BOOK
AU  - Sachs, R. K..
TI  - General jRelativity for Mathematicians:Graduate Texts Mathematics / 
SN  - 0 387 90218 X
U1  - CN 
PY  - 1994///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Physics <Relativity>
ER  -