000
00249nam a2200109 4500
008
160616s 000 0
245
_a
Riddle of the universe
100
_a
Smart, W.M.
500
_a
B97 K81
942
_c
BK
_2
BK10340
080
_a
523.1 SMA
999
_c
10340
_d
10340