00321nam a2200121Ia 450000500170000000800410001702000180005805000170007610000210009324500430011426000270015765000150018420251229085233.0251229s9999    xx            000 0 und d  a9780140293050  aHD 57.7 .V36  aVan, Maurik John 0aWriters on leadershipcMaurik John Van  aLondonb Penguinc2001  aLeadership