@misc{Humer_Alois_The_2013,
 author={Humer, Alois and Palma, Pedro},
 volume={23},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 journal={Europa XXI},
 howpublished={online},
 year={2013},
 publisher={IGiPZ PAN},
 language={eng},
 type={Text},
 title={The provision of Services of General Interest in Europe: regional indices and types explained by socio-economic and territorial conditions},
 URL={http://rcin.org.pl/igipz/Content/42023/PDF/WA51_59798_r2013-t23_EuropaXXI-Humer.pdf},
 keywords={services of general interest, drivers, Europe, ESPON, NUTS 2, index, typology, correlation},
}