00364nam a2200109Ia 4500082001800000245003900018100004900057942000700106008004100113999001900154952008100173  aST 500.2 PHYS 0aPhysical sciences. Study guide 12   a KELDEr, Karin H.   Cape Town, 2008  925890  cBK210817s9999    xx            000 0 und d  c115980d115979  00104070d2021-08-17g128.00l0p3322802396620r2021-08-17w2021-08-17yBK