000
00294nam a22001337a 4500
008
180926b xxu||||| |||| 00| 0 eng d
020
_a
9780520200296
041
_a
eng
080
_a
531
100
_a
43
101
_a
FIZ
245
_a
Understanding Relativity
_c
Sartori, L
942
_2
udc
_c
BK
999
_c
48504
_d
48504