TY  - BOOK
AU  - Dray,Tevian
TI  - Differential forms and the geometry of general relativity 
SN  - 9781138583337
U1  - 530.112 
PY  - 2015///
CY  - New york
PB  - CRC press
KW  - PHYSICS
KW  - GENERAL RELATIVITY
ER  -