@book{id_1,
author = "Sommer, Ferdinand",
title = "Die Aẖẖijavā-Urkunden",
year = "1932",
address = "München",
publisher = "Beck [u.a.]",
series = "Abhandlungen",
volume = "6",
url = "http://publikationen.badw.de/de/006968284",
}