000 00283nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a65.012.5
_bEXE
245 0 _aExecutive development.Pt 1-3
260 _aUSA
_bHarvard College
_c1968
650 _aExecutive development
942 _cBK
999 _c37239
_d37239