@ARTICLE{_Letter_2009, number={No 4}, journal={Central European Journal of Economic Modelling and Econometrics}, pages={299}, howpublished={online}, year={2009}, publisher={Oddział PAN w Łodzi}, type={Wprowadzenie / Introduction}, title={Letter from Editors}, URL={http://www.journals.pan.pl/Content/106547/PDF-MASTER/mainFile.pdf}, doi={10.24425/cejeme.2009.122238}, }