@book{id_13215, author = "Lehmann, Rüdiger", title = "Studies on the use of the boundary element method in physical geodesy", year = "1997", address = "München", publisher = "Verl. der Bayerischen Akad. der Wiss. [u.a.]", series = "DGK: Veröffentlichungen A: Theoretische Geodäsie", volume = "113", isbn = "3-7696-8194-0", }