000			00356nam a2200145Ia 4500
008			181130s2017 xx 000 0 und d
100			_aThomas, Alex M.
245			_aRicardo's principles, 200 years later
260			_c2017
300			_ap.334-338.
504			_dDec
650			_aRicardo, David
773			_aArtha Vijnana
906			_aRicardo, David
999			_c506348 _d506348