@article{Brelik_Grzelak_2011, title={The Evaluation of the Trends of Polish Farms Incomes in the FADN Regions after the Integration with the EU}, volume={20}, url={http://www1.up.poznan.pl/jard/index.php/jard/article/view/714}, number={2}, journal={Journal of Agribusiness and Rural Development}, author={Brelik, Agnieszka and Grzelak, Aleksander}, year={2011}, month={Dec.}, pages={5-11}