@book{id_13492, author = "Torge, Wolfgang and Wenzel, Hans-Georg", title = "Dreidimensionale Ausgleichung des Testnetzes Westharz", year = "1978", address = "München", publisher = "Beck", series = "DGK: Veröffentlichungen B: Angewandte Geodäsie", volume = "234", isbn = "3-7696-8532-6", }