Affiliation: | 1. Carnegie Laboratory of Physics , University of Dundee , Dundee, DD1, 4HN, Scotland;2. Department of Civil Engineering , University of Dundee , Dundee, DD1, 4HN, Scotland;3. Department of Geology , University of Dundee , Dundee, DD1, 4HN, Scotland;4. Deutsche Forschungs- und Versuchsansalt für Luft- und Raumfahrt e.V , Oberpfaffenhofen, Wessling, 8031, West Germany |