00265nam a2200109Ia 4500008004100000082001500041100001800056245003000074250000900104260003400113300000800147240913s9999||||xx |||||||||||||| ||und||  a510  BOS/P  aDavid Bostock 0aPhilosophy of Mathematics  aNULL  bWiley - BlackwellaNULLc2009  a332