000 00252nam a2200097Ia 4500
082 _aJ 52 ASTR
245 0 _aAstronomy
100 _a World Book, Inc ** Chicago, IL, [c.2R9] ** *
_987489
942 _cBK
008 210825s9999 xx 000 0 und d
999 _c494307
_d494305