000 00287nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a033
_bPER
245 0 _aOrganization and retrieval of economic knowledge
260 _aLondon
_bMacmillan
_c1977
700 _aPERLMAN, Mark
942 _cBK
999 _c28209
_d28209