000 00249nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aHAROLD KOONTZ & HEINZ WEIHRICH
245 _aESSENTIALS OF MANAGEMENT
250 _a5
260 _c1990
_bMC GRAW HILL
999 _c24890
_d24890