TY  - BOOK
AU  - 
TI  - The modern theme
T2  - Harper Torchbooks. The Academy Library. TB 1038 H
PY  - 1961///
CY  - New York
PB  - Harper & Row
KW  - Philosophy
KW  - Addresses, essays, lectures
KW  - Local
KW  - Relativity Physics
KW  - Revolutions
N1  - Translation of : El tema de nuestro tiempo
ER  -