@book{id_13200, author = "Ackermann, Friedrich E.", title = "Seminar Mathematical Models of Geodetic Photogrammetric Point Determination with Regard to Outliers and Systematic Errors", year = "1983", address = "München", publisher = "Verl. d. Bayer. Akad. d. Wiss. ; Beck", series = "DGK: Veröffentlichungen A: Theoretische Geodäsie", volume = "98", isbn = "3-7696-8180-0", }