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008 220630s9999 xx 000 0 und d
020 _a9781868536689
082 _aST 510.211 DEWE
100 _aDe Wet , B
_9144580
245 0 _aMathematics N6
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c700682
_d700681