000 00224nam a2200097Ia 4500
008 220601s9999 xx 000 0 und d
020 _a33228013222565
100 _aR KERROD
245 4 _aTHE CHALLENGE OF SPACE
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c668141
_d668140