@techreport{kam1019,
 author = {Z. Dvo\v{r}\'ak, B. Lidick\'y, and B. Mohar},
 title = {$5$-choosability of graphs with crossings far apart},
 institution = {KAM-DIMATIA Series},
 year = {2012},
 number = {1019},
 type = {prepublication}
}