(1)
Miehe, G.; Miehe, S. Comparative High Mountain Research on the Treeline Ecotone under Human Impact Carl Troll’s Asymmetrical Zonation of the Humid Vegetation Types of the World of 1948 Reconsidered: Carl Troll’s "Asymmetrical Zonation of the Humid Vegetation Types of the World" of 1948 Reconsidered. ERDKUNDE 2000, 54, 34-50.