BibTeX-Format:
@incollection{Klein 2009, typ = {incollection}, sortname = {Klein}, year = {2009}, booktitle = {{D}escribing and {M}odeling {V}ariation in {G}rammar}, pages = {297-323}, editor = {Andreas Dufter and Jürg Fleischer and Guido Seiler}, title = {{S}emi-modal variation}, publisher = {Mouton de Gruyter}, address = {Berlin}, mylabel = {Klein 2009}, series = {Trends in Linguistics. Studies and Monographs