@inbook{052159c9d1d34deca6af272abcb9e528,
title = "Firth and the origins of Systemic Functional Linguistics: process, pragma, and polysystem",
author = "Butt, {David G.}",
year = "2019",
doi = "10.1017/9781316337936.003",
language = "English",
isbn = "9781107116986",
series = "Cambridge handbooks in language and linguistics",
publisher = "Cambridge University Press (CUP)",
pages = "11--34",
editor = "Geoff Thompson and Bowcher, {Wendy L.} and Fontaine, {Lise } and David Sch{\"o}nthal",
booktitle = "The Cambridge handbook of systemic functional linguistics",
address = "United Kingdom",
}