Wöllecke, J. External Organizations;
Hüttl, Reinhard F. J. Deutsches GeoForschungsZentrum;
,
Wöllecke, J., Hüttl, R. F. J. (2002): Problems in afforestation of post-mining landscapes with emphasis on the effects of ectomycorrhiza. - Comunicarile stintifice.