@book
{TN_libero_mab2,
author = {
Wright, Georg Henrik von
},
title = {
"And then"
},
publisher = {Societas Scientiarum Fennica},
keywords = {
Logic, Symbolic and mathematical
},
year = {1966},
booktitle = {Commentationes physico-mathematicae ; 32,7},
address = {
Helsinki
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}