000 00260nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a330.342
_bHAL
100 _aHALM, G N
245 0 _aEconomic systems
260 _aCalcutta
_bOxford & IBH
_c1960
942 _cBK
999 _c20932
_d20932