@book{Cooper.Kempson08,
author = "Cooper, Robin and Kempson, Ruth",
publisher = "College Publications",
series = "Communication, Mind and Language",
title = "{L}anguage in flux: {D}ialogue coordination, language variation, change and evolution",
url = "http://www.collegepublications.co.uk/cml/?00001",
volume = "1",
year = "2008",
}