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