@INCOLLECTION{brockmann-etal_14b,
  author = {Brockmann, Jan Martin and Roese-Koerner, Lutz and Schuh, Wolf-Dieter},
  title = {Use of High Performance Computing for the Rigorous Estimation of
	Very High Degree Spherical Harmonic Gravity Field Models},
  booktitle = {Gravity, Geoid and Height Systems (GGHS 2012), IAG Symposia},
  publisher = {Springer},
  year = {2014},
  editor = {Marti, U.},
  volume = {141},
  series = {Lecture Notes in Earth Science},
  pages = {27-33},
  doi = {10.1007/978-3-319-10837-7_4},
  journal = {IAG Symposium, Venice 2013}
}