TY  - BOOK
AU  - Penrose, Roger
TI  - Cycles of time : an extraordinary new view of the universe
SN  - 9780099505945
U1  - 523.1 PEN-R 
PY  - 2010///
CY  - London
PB  - Vintage Books
KW  - Cosmology
KW  - Cyclic universe theory (Cosmology)ﾠ
ER  -