@book{id_13559,
author = "Denker, Heiner",
title = "A new gravimetric quasigeoid for the Federal Republic of Germany",
year = "1989",
address = "München",
publisher = "Beck",
series = "DGK: Veröffentlichungen B: Angewandte Geodäsie",
volume = "291",
isbn = "3-7696-8576-8",
}