TY  - BOOK
AU  - Eddington,A S
AU  - Whittaker,Sir Edmund
TI  - The Nature of the physical world
U1  - 530.1 EDD 
PY  - 1935///.
CY  - London : 
PB  - J. M. Dent and Sons, 
KW  - Gravitation
KW  - Relativity, Theory of
N1  - Contents: Gifford lectures 1927
ER  -