Affiliation: | (1) Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, NY 11794-38002, USA;(2) Centre Urbain Nord, Institut National des Sciences Appliquées et de la Technologie, BP 676, 1080 Tunis, Tunisia;(3) Science Section, Conservation Department, Victoria and Albert Museum, London, SW7 2RL, UK;(4) Christopher Ingold Laboratories, University College London, 20 Gordon St., London, WC1H 0AJ, UK;(5) CCLRC Daresbury Laboratory, Keckwick Lane, Warrington, WA4 4AD, UK |