Stachowski, M. (2011). German Irrwisch ‘1. will-o’-the-wisp; 2. scamp, scallywag, imp’ and Polish urwis ‘scamp, scallywag, imp’.. Studia Linguistica Universitatis Iagellonicae Cracoviensis, 2011, 161-162. doi: https://doi.org/10.2478/v10148-011-0021-5