author = { Simonsen, O. },

title = { Is the levelling datum for a continental levelling network so stable that it would permit the determination of secular movements as accurate as modern precise levellings may be observed? },

publisher = {Springer Science and Business Media LLC},

isbn = {0007-4632},

keywords = { Computers in Earth Sciences , Geochemistry and Petrology , Geophysics },

year = {1966},

url = { http://slubdd.de/katalog?TN_libero_mab2 }