TY  - BOOK
AU  - Hawking, Stephen.
AU  - Roger, Penrose.
TI  - Nature of space and time
SN  - 9780195657869
U1  - 530.11 H314n 
PY  - 2005///
CY  - Hyberabad
PB  - Oxford University Press
KW  - Space and time
KW  - Quantum theory
KW  - Astrophysics
ER  -