TY  - BOOK
AU  - Debever, Robert., ed.
TI  - Elie Cartan - Albert Einstein: letters on absolute parallelism 1929-1932
SN  - 0-691-08229-4
PY  - 1979///
CY  - Princeton
PB  - Princeton University Press
KW  - Biography - Albert Einstein, Albert Einstein - Biography
ER  -