H. Weber

Interaktive CD-ROM zur Karte der natürlichen Vegetation Europas / Interactive CD-Rom Map of the Natural Vegetation of Europe

U. Bohn, G. Gollub, T. Raus, 2004 .

Karte der natürlichen Vegetation Europas / Map of the Natural Vegetation of Europe - Maßstab / Scale 1:2,500,000

Thomas Raus, Udo Bohn, Gisela Gollub, 2000 .

The lower carboniferous black shale formation, a possible source for noble and base metal deposits in the NE Rhenish Massif, Federal Republic of Germany

H. Urban, B. Stribrny, H. Weber, 1988 .