BibTeX-Format:
@incollection{Klein 2009, sortname = {Klein}, editor = {Andreas Dufter and Jürg Fleischer and Guido Seiler}, address = {Berlin}, booktitle = {{D}escribing and {M}odeling {V}ariation in {G}rammar}, author = {Klein, Katarina}, mylabel = {Klein 2009}, publisher = {Mouton de Gruyter}, title = {{S}emi-modal variation}, typ = {incollection}, series = {Trends in Linguistics. Studies and Monographs