@book
{TN_libero_mab2,
author = {
Schumacher, Heinrich Christian
},
title = {
Tafeln zur Reduction der in der histoire céleste enthaltenen Beobachtungen
},
publisher = {},
year = {1825},
address = {
Copenhagen
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}