@misc{Jablonsky_Josef_Re-calculation,
 author={Jablonsky, Josef},
 howpublished={online},
 publisher={Publishing House of the University of Economics in Katowice},
 language={eng},
 title={Re-calculation of Happy Planet Index using dea models},
 type={czasopismo},
 keywords={efficiency, Happy Planet Index, MCDM},
}