1. Soil Protection and Recultivation; Brandenburg Univ. of Technology Cottbus-Senftenberg; P.O. Box 101344 03013 Cottbus Germany
2. Environmental and Biochemical Sciences; James Hutton Institute; Craigiebuckler Aberdeen AB15 8QH Scotland UK
3. Hydrology and Water Resources Management; Brandenburg Univ. of Technology Cottbus-Senftenberg; P.O. Box 101344 03013 Cottbus Germany
4. Research Centre Landscape Development and Mining Landscapes; Brandenburg Univ. of Technology Cottbus-Senftenberg; P.O. Box 101344 03013 Cottbus Germany