000 00233nam a2200097Ia 4500
008 230213s9999 xx 000 0 und d
020 _a9781107646346
100 _aKELDER, KARIN H
245 0 _aPHYSICAL SCIENCE GRADE 10
942 _cBK
_y561
_zJohn Tresidder
999 _c685515
_d685514