000 00283nam a2200109Ia 4500
008 220714s9999 xx 000 0 und d
020 _a0 702143847
082 _aRef 658.3021 DEBE
100 _aDE BEER, A
_9161239
245 0 _aFocus on Supervision in general managemnet
942 _cBK
_y561
_zJohn Tresidder
999 _c50332
_d50331