1. Centre for Environmental Geochemistry School of Geography University of Nottingham Nottingham UK
2. National Environmental Isotope Facility British Geological Survey Nottingham UK
3. Department of Geography Birkbeck University of London London UK
4. School of Biosciences University of Nottingham Leicestershire UK
5. British Geological Survey Nottingham UK
6. Department of Applied Physics Faculty of Science and Technology Universiti Kebangsaan Malaysia Bangi Malaysia
7. Tasik Chini Research Centre Faculty of Science and Technology Universiti Kebangsaan Malaysia Bangi Malaysia