000 00307nam a2200133 4500
008 160616s 000 0
245 _aIntroduction to astronomy
100 _aBaker, Robert H
100 _aFredrick, Laurence W
250 _a7
500 _aB9 K8
942 _cBK
_2BK10037
080 _a523 BAK
999 _c10037
_d10037