000 00402nam a2200169Ia 4500
008 210210b1938 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a330/364
100 _aROLL (Erich)
245 _aElements economic theory
260 _aLondon
_bOxford University Press.,
_c1938
650 _atheory
650 _aElements
650 _aeconomic
690 _aEconomics
906 _a003767
999 _c120712
_d120712