@misc
{TN_libero_mab2,
author = {
Bayerl, Günter
},
title = {
Johann Beckmann (1739 - 1811)
},
publisher = {},
isbn = {0040-117X},
keywords = {
Beckmann, Johann
},
year = {2009},
abstract = {Literaturangaben},
address = {
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}