@ARTICLE{_Letter_2009, number={No 2}, journal={Central European Journal of Economic Modelling and Econometrics}, pages={109}, howpublished={online}, year={2009}, publisher={Oddział PAN w Łodzi}, type={Wprowadzenie / Introduction}, title={Letter from Editors}, URL={http://ochroma.man.poznan.pl/Content/106537/PDF/mainFile.pdf}, doi={10.24425/cejeme.2009.122226}, }