@misc{Mela-Owczarek_Ewelina_The_2014,
 author={Mela-Owczarek, Ewelina},
 address={Wrocław},
 howpublished={online},
 year={2014},
 publisher={Wydawnictwo Wyższej Szkoły Bankowej w Poznaniu},
 publisher={Wyższa Szkoła Bankowa we Wrocławiu},
 type={artykuł},
 title={The effect of substitution and different types of househlods},
 keywords={substitution effect, CPI index, CoLI, model of consumption, types of households},
}