TY  - GEN
AU  - Ludvigsen,Malcolm. 1946-
TI  - General relativity:a geometric approach
SN  - 052163976x
AV  - QC173.6. L83 1999 
PY  - 1999///
CY  - Cambridge
PB  - Cambridge University
KW  - General relativity (physics)
KW  - Space and time
KW  - Geometrodynamics
ER  -