00384nam a2200145Ia 4500008004100000020001800041040002500059082002800084100002700112245003900139260002500178490000700203942001100210999001700221240727s9999    xx            000 0 und d  a9780128163368  aNORSU-GuicNORSU-Gui  aCir.796/Bru83p/2020/c.1  aMark W. Bruner et. al. 4aThe Power of Groups in Youth Sport  bAcademic Pressc2020  vC1  cBKyBK  c47016d47016