00482nam a2200157Ia 450000500170000000800410001702000180005808200230007610000210009924500780012025000120019826000400021030000130025044000090026365000520027220240626153639.0240126s9999    xx            000 0 und d  a9781450400510  a796.0770973  MAR;1  aMartens, Rainer. 0aSuccessful coaching : the most quthoritative guide on coaching principles  a4th ed.  bHuman KineticsaUnited Statesc2012  axii, 443  aNULL  aSuccessful,coaching,most,quthoritative,coaching