@book{gledocs_11858_00-1735-0000-0001-3288-8,
editor = {},
title = {Lecture and exercise notes},
year = {1999},
publisher = {GFZ, Helmholtz-Zentrum},

note = { \url {http://hdl.handle.net/11858/00-1735-0000-0001-3288-8}},
}