000 00309nam a2200133Ia 4500
008 171226s9999 xx 000 0 und d
082 _a520 ZEI-A 1979
100 _aMichael Zeilik
245 0 _aAstronomy
260 _aNew York
260 _bHarper & Row, Publishers
260 _c1979
300 _a528
999 _c740810
_d740810