000
00245nam a22001217a 4500
020
_a
9780099440680
100
_a
Penrose,Roger
245
_a
Road to reality
260
_a
LON
_b
VINT
_c
2005
300
_a
1099p.
650
_a
science
942
_c
ENGL
999
_c
2903
_d
2903