@misc{Breuer_Ina_Marie_Services_2013, author={Breuer, Ina Marie and Milbert, Antonia}, volume={23}, copyright={Rights Reserved - Free Access}, address={Warszawa}, journal={Europa XXI}, howpublished={online}, year={2013}, publisher={IGiPZ PAN}, language={eng}, type={Text}, title={Services of General Interest Indicators: methodological aspects and findings}, URL={http://www.rcin.org.pl/igipz/Content/42018/PDF/WA51_59793_r2013-t23_EuropaXXI-Breuer.pdf}, keywords={services of general interest, NACE classification, indicators, methodology}, }