00367nam a2200133Ia 450000500170000000800410001702000180005808200200007610000520009624500370014826000250018530000140021044000090022420241029174021.0240126s9999    xx            000 0 und d  a9789353940348  a394.2  BEE;1  R  aBeech, John. Kaiser, Sebastian. Kaspar, Robert. 4aThe business of event management  bPearsonaNoidac2020  axxii, 393  aNULL