TY  - BOOK
AU  - Einstein,Albert
TI  - Relativity: the special and the general theory : a popular exposition 
SN  - 0517025302 (pbk.)
AV  - QC 6  E35r 1961
U1  - 530.01 
PY  - 1961///
CY  - New York
PB  - Crown Publishers
KW  - Relativity (Physics)
KW  - Relatividad (Física)
N1  - Includes bibliographical references (p. 158-159) and index
ER  -