@book{id_4545,
author = "Zapp, E. and Zinner, Ernst",
title = "Relative Schwere-Messungen in Bayern in den Jahren 1908 - 1914",
year = "1922",
address = "München",
publisher = "Verl. der Bayer. Kommission für die Internationale Erdmessung",
series = "Astronomisch-Geodätische Arbeiten",
volume = "10",
}