Dr Mark Powell, School of Civil Engineering and Geosciences, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom. Email: mark.powell@ncl.ac.uk
Dr Mark Powell, School of Civil Engineering and Geosciences, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom. Tel: 0191 222 6414. Email: mark.powell@ncl.ac.uk