TY  - BOOK
ED  - Milton Keynes.The Open University Press
ED  - Milton Keynes.The Open University Press
TI  - Understanding space and time
SN  - 0335080030
U1  - 530.11 
PY  - 1979///
CY  - Milton Keynes
PB  - The Open University Press
KW  - Gravitation theory
KW  - Metric theory
N1  - Block 4 
Gravitation and einstein's general theory of relativity
ER  -