000 00267nam a2200109Ia 4500
008 220713s9999 xx 000 0 und d
020 _a978 0 7166 0387 0
082 _aJR 520 ASTR
100 _aNo author, editors only
245 0 _aWorld Book: Astronomy
942 _cBK
_y561
_zJohn Tresidder
999 _c74121
_d74120