00393nam a2200109Ia 4500008004100000082002000041100002500061245006300086260004900149300001000198650007500208211119s9999||||xx |||||||||||||| ||und||  a510.7127bSTA-D  aStankova, Zvezdelina 0aDecade of the Berkeley Math Circle:The Americal Experience  bAmerican Mathematical SocietyaAmericac2008  axviii  a Natural sciences & mathematicsvMathematicsMathematicsxGeneral Stack