000 00277nam a2200121Ia 4500
008 211105s9999 xx 000 0 und d
020 _aVYASA03820
100 _aParker George W.
245 0 _aElements Of Astronomy
250 _a\N
260 _bLongmans
_c\N
300 _a234+20p.
999 _c5695
_d5695