@book
{TN_libero_mab2,
author = {
Ellegård, Alvar
},
title = {
The auxiliary "do"
the establishment and regulation of its use in English
},
publisher = {Almqvist and Wiksell},
keywords = {
English language Auxiliary verbs
,
Hochschulschrift
,
Englisch
,
do
,
Hilfsverb
},
year = {1953},
booktitle = {Gothenburg studies in English ; 2},
address = {
Stockholm
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}