TY  - BOOK
AU  - Sachs,R.K.
ED  - International School of Physics "Enrico Fermi".
ED  - Società italiana di fisica.
TI  - General relativity and cosmology: Proceedings of the International School of Physics Enrico Fermi
T2  - Its Proceedings, course 47
SN  - 0123688477
U1  - 523.1 
PY  - 1971///
CY  - New York
PB  - Academic Press
KW  - Relativity
KW  - Cosmology
N1  - At head of title: Italian Physical Society; Added t.p. in Italian, with title: Relatività generale e cosmologia; Course held June 30-July 12, 1969
ER  -