000 00322nam a2200121Ia 4500
008 221102s9999 xx 000 0 und d
082 _a823 ZIG
100 _aZiglar, Zig
245 0 _aTop performance: how to develop excellence in yourself and others
260 _bBerkely
_aNewyork
_c1987
300 _a288 p.
942 _cBK
999 _c3926
_d3926