TY  - BOOK
AU  - Bergmann,Peter Gabriel
AU  - Einstein Albert
TI  - Introduction to the theory of relativity
U1  - 530.11 
PY  - 1977///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Relativity
KW  - Physics
N1  - Includes index
ER  -