000
002510000a22001210004500
245
_a
Modern astronomy
100
_a
Birney, D.S.
260
_a
Boston
_b
Allyn & Bacon
_c
1971
300
_a
338 p.
080
_a
523
_b
B5
041
_a
EN
942
_c
BK
999
_c
101315
_d
101315