"Dielectric map of the Martian northern hemisphere and the nature of plain filling materials" by Jérémie Mouginot et al. is published in Geophysical Research Letters, vol. 39, L02202, doi:10.1029/2011GL050286, 2012.

It is available on line here:
http://www.agu.org/pubs/crossref/2012/2011GL050286.shtml

For further information, please contact:

Markus Bauer
ESA Science and Robotic Exploration Communication Officer
Tel: +31 71 565 6799
Mob: +31 61 594 3 954
Email: markus.bauer@esa.int
Jéeréemie Mouginot
University of California, Irvine
Tel: 949-824-3931
Mob: 949-202-7132
Email: jmougino@uci.edu
Olivier Witasse
ESA Mars Express Project Scientist
Tel: +31 71 565 8015
Email: Olivier.Witasse@esa.int