TY  - BOOK
AU  - Lilley,Sam
TI  - Discovering relativity for yourself
SN  - 0521230381 :
U1  - 530.11 
PY  - 1981///
CY  - Cambridge
PB  - The University Press
KW  - Relativity (Physics)
KW  - Space amtime
N1  - Includes index
ER  -