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