@book{gledocs_11858_00-1735-0000-0001-31E0-8,
author = {Steffen, Holger},
title = {Determination of a consistent viscosity distribution in the Earth's mantle beneath northern and Central Europe},
year = {2006},
publisher = {Univ. Berlin},

note = { \url {http://hdl.handle.net/11858/00-1735-0000-0001-31E0-8}},
}