1. S. Altaf Hussain:
Chemistry Department, Chelsea College, University of London, London, England, UK
2. Terence C. Jenkins:
Chemistry Department, Chelsea College, University of London, London, England, UK
3. M. J. Perkins:
Chemistry Department, Chelsea College, University of London, London, England, UK
4. T. J. King:
Chemistry Department, University Nottingham, England, UK