000 00280nam a2200121Ia 4500
008 221102s9999 xx 000 0 und d
082 _a658.3 HEL
100 _aHeller, Robert
245 0 _aEffective leadership
260 _bDK Pub
_aLondon
_c1999
300 _a72p p.
942 _cBK
999 _c1981
_d1981