@ARTICLE{Kaczmarek_Łukasz_Adaptation_2010, author={Kaczmarek, Łukasz and Stanko-Kaczmarek, Maja and Dombrowski, Stephan}, number={No 3}, journal={Polish Psychological Bulletin}, howpublished={online}, year={2010}, publisher={Committee for Psychological Science PAS}, title={Adaptation and Validation of the Steen Happiness Index into Polish}, URL={http://sp.czasopisma.pan.pl/Content/99649/PDF/02.pdf}, doi={10.2478/v10059-010-0013-3}, }