00267nam a2200109Ia 4500008004100000041000800041082001500049100002000064245002200084260004400106300000700150231228s1998    xx            000 0 und d  aeng  a153.8bHEL  aHELLER (Robert)  aMotivating People  aLondonbDorling Kindersley Londonc1998  a72