000 00254nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a065
_bHAG
100 _aHague, D C
245 0 _aManagerial economics
260 _aLondon
_bLongman
_c1969
942 _cBK
999 _c23491
_d23491