TY  - BOOK
AU  - Ehlers J Ed.
ED  - International school of physics (28th--10t : Villa Monastero)
TI  - Proceeding on isolated gravitating systems in general relativity
T2  - Italian physical society; 67
U1  - CNp1,N76, L9 
PY  - 1979///
CY  - Amsterdam
PB  - North-Holland         
KW  -  Physics
KW  - Relativity
N1  - Includes bibliography
ER  -