@Book{Muffat1854,
author  = "Muffat, Karl August",
title   = "Beiträge zur Lebensgeschichte des Herzogs Ludwig I. von Bayern",
year    = "1854",
address = "München",
series  = "Abhandlungen",
volume  = "7,8",
url     = "https://publikationen.badw.de/en/003192513",
}