TY  - BOOK
AU  - Fokker,A.D.
TI  - Time and space, weight and inertia: a chronogeometrical introduction to Einstein's theory 
U1  - 530.11 
PY  - 1965///
CY  - Oxford
PB  - Pergamon Press
KW  - Relativity (Physics)
KW  - Relativity Theory
N1  - Bibliography: p. 183
ER  -