@ARTICLE{Bolanle_Adetoun_How_2010, author={Bolanle Adetoun and Tserere, Maggie and Modupe Adewuyi and Titilola Akande and Williams Akande}, number={No 4}, journal={Polish Psychological Bulletin}, howpublished={online}, year={2010}, publisher={Committee for Psychological Science PAS}, title={How good gets better and bad gets worse: measuring the face of emotion}, URL={http://ochroma.man.poznan.pl/Content/99654/PDF/02.pdf}, doi={10.2478/v10059-010-0018-y}, }