TY  - BOOK
AU  - Hawking,Stephen
AU  - Penrose,Roger
TI  - The Nature of space and time stephen Hawking and Roger Penrose
SN  - 0195642112 :
U1  - 530.11 
PY  - 1997///
CY  - Delhi
PB  - The University Press
KW  - Relativity (Physics)
KW  - Space and time
KW  - Special relativity (Physics)
KW  - General relativity (Physics)
ER  -