@Book{Thomas1866,
author  = "Thomas, Georg Martin",
title   = "Ueber drei von Herrn Cortambert in Paris herausgegebene mittelalterliche Karten",
year    = "1866",
address = "München",
series  = "Sitzungsberichte",
volume  = "1866,2,21",
url     = "https://publikationen.badw.de/de/003385112",
}