Contact Person : Marta Marecka; Last Date for the submission of abstract : 15/02/2013; Description : Annual international linguistic conference in Poland. THEME: Complexity invariance in linguistics: evidence and challenges; INVITED SPEAKERS: W Dressler, P Trudgill, M Vitevitch, R Cole; ORGANIZERS: K Dziubalska-Kolaczyk, J Weckwerth, M Marecka