@inbook {Scherer1980,
	title = {The functions of nonverbal signs in conversation},
	booktitle = {The Social and Psychological Contexts~of~Language},
	year = {1980},
	pages = {225{\textendash}244},
	publisher = {Lawrence Erlbaum},
	organization = {Lawrence Erlbaum},
	address = {Hillsdale. NJ}
}
@inbook {Giles1979a,
	title = {Speech markers in social interaction},
	booktitle = {Social Markers in Speech},
	year = {1979},
	pages = {343 {\textendash} 381},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	address = {Cambridge},
	author = {Howard Giles and Scherer, Klaus R and Donald Taylor},
	editor = {Scherer, Klaus R and Howard Giles}
}
