TY  - BOOK
AU  - Clark,Stuart
TI  - The unoknown universe: what we know and what we don't know about time and space in 10 chapters/by Stuart Clark
SN  - 9781781855744
U1  - 523.1  C548U 
PY  - 2015///
CY  - London
PB  - Head of zeus ltd
ER  -