BibTeX-Format:
@incollection{Klein 2009, sortname = {Klein}, mylabel = {Klein 2009}, title = {{S}emi-modal variation}, editor = {Andreas Dufter and Jürg Fleischer and Guido Seiler}, typ = {incollection}, year = {2009}, pages = {297-323}, series = {Trends in Linguistics. Studies and Monographs