TY  - BOOK
AU  - Calder, Nigel .
TI  - Einstein`s Universe;A Guide to the Theory of Relativity
SN  - 0-14-013516-2
U1  - 530.1 
PY  - 1990///
CY  - London
PB  - Penguin Books
KW  - Physics,Theory of Relativity
N1  - Index,Illus
ER  -