1. School of Chemistry The University of Edinburgh Joseph Black Building David Brewster Road Edinburgh EH9 3FJ UK
2. Laboratory of Engineering Thermodynamics (LTD) Technische Universität Kaiserslautern Erwin-Schrödinger-Straße 44 Kaiserslautern 67663 Germany
3. TgK Scientific Ltd. Bradford on Avon Wiltshire BA15 1DH UK