000 00316nam a2200121Ia 4500
008 240112s9999 xx 000 0 und d
082 _aLEH-D
_b338.6
100 _aLehfeldt, R A
245 0 _aDescriptive economics
260 _a London
_bOxford University Press
_c1927
650 _aIndustrial economics
942 _cBK
999 _c10828
_d10828