@book{id_13208,
author = "Giering, Oswald",
title = "Untersuchungen zum Trilaterationsproblem {4,4,1,1}",
year = "1990",
address = "München",
publisher = "Beck",
series = "DGK: Veröffentlichungen A: Theoretische Geodäsie",
volume = "106",
isbn = "3-7696-8188-6",
}