@book
{TN_libero_mab2,
author = {
Plato
Bluck, Richard S.
AND
Plato
},
title = {
Plato's seventh & eighth letters
},
publisher = {Univ Pr.},
year = {1947},
abstract = {Einf. u. Erl. engl., Text griech},
booktitle = {Pitt Press series},
address = {
Cambridge
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}