TY  - GEN
AU  - Howking, SW
AU  - Ellis, GFR 
TI  - The Large Scale Structure of Space - Time
SN  - 0521099064
U1  - 530.11 
PY  - 1973///
CY  - New York
PB  - Cambridge Uniersity press
KW  - Relativity theory
KW  - Space & Time
UR  - https://www.amazon.com/Structure-Space-Time-Cambridge-Monographs-Mathematical/dp/0521099064/ref=sr_1_1?s=books&ie=UTF8&qid=1496810977&sr=1-1&keywords=0521099064#reader_0521099064
ER  -