@INCOLLECTION{freiwald-etal_10,
  author = {Freiwald, G. and Losch, M. and Schuh, W.-D. and Becker, S.},
  title = {{RIFUGIO} - rigorous fusion of gravity field into stationary ocean
	models},
  booktitle = {{ESA} Living Planet Symposium Bergen, Proceedings},
  publisher = {{ESA-SP-686 ISBN 978-92-9221-250-6   ISSN 1609-042X}},
  year = {2010}
}