1. Potentially harmful elements from natural sources and mining areas: characteristics, extent and relevance to planning and development in Great Britain;Appleton,1995
2. A Global Geochemical Database for Environmental and Resource Management. Recommendations for International Geochemical Mapping;Darnley,1995
3. Geochemical Mapping of Western Europe Towards the Year 2000;Demetriades;Pilot Project Report Norwegian Geological Survey Open File Report,1990
4. Forum of European Geological Surveys (FOREGS) Geochemistry Task Group 1994–1996 Report;Plant,1996