00371nam a2200121Ia 450000500170000000800410001702000220005805000190008010000180009924500480011726000430016565000410020820251229182013.0251229s9999    xx            000 0 und d  a978-0-19-914243-9  aQA 43.S23 2014  aSadler, A. J. 0aUnderstanding pure mathematicscA. J Sadler  aOxfordb Oxford University Pressc2014  aMathematics- Examinations, Questions