@book
{TN_libero_mab2,
author = {
Næss, Arne
},
title = {
An empirical study of the expressions "true", "perfectly certain" and "extremely probable"
},
publisher = {Dybwad},
year = {1953},
booktitle = {Avhandlinger / Norske Videnskaps-Akademi i Oslo, Historisk-Filosofisk Klasse ; 1953,4},
address = {
Oslo
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}