000
00274nam a22001337a 4500
008
170911b xxu||||| |||| 00| 0 eng d
020
_a
52071
041
_a
eng
080
_a
52
100
_a
42
101
_a
AST
245
_a
ASTRONOMY TODAY
_c
CHAISSON
942
_2
udc
_c
BK
999
_c
27014
_d
27014