TY  - BOOK
AU  - Frankel,Theodore
TI  - Gravitational curvature: an introduction to Einstein's theory 
SN  - 9780716710622
U1  - 530.11 
PY  - 1979///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Relativity (Physics)
KW  - Gravitation
KW  - Relativity Theory
N1  - Includes index; Bibliography: p. [167]-168
ER  -