000 00283nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a HED/A
100 _aHEDLEY ROBINSON J
245 0 _aASTRONOMY DATA BOOK
260 _bJOHN WILEY AND SONS
_c1972
300 _a271
942 _cTB
999 _c31768
_d31768