@misc{Gdula_Karolina_An,
 author={Gdula, Karolina and Barczak, Mariusz (1978-) and Borowski, Piotr},
 howpublished={online},
 publisher={Wydaw. UMCS},
 language={eng},
 type={artykuł},
 title={An effective scaling frequency factor method (ESFF) : review and local factors transferability problem},
 keywords={scaling procedures, effective scaling frequency factor method (ESFF)},
}