000 00261nam a2200109Ia 4500
008 220601s9999 xx 000 0 und d
020 _a9781920568314
082 _aST 500.72 LOUW
100 _aLOUW RETHA
245 0 _aPHYSICAL SCIENCES Gr 11CAPS
942 _cBK
_y561
_zJohn Tresidder
999 _c648682
_d648681