double\nconstruction of a steildaches, marked by the fact that it is a\nvisible & auml; u & w; or,\nweather not sch & t.; tzender\nlayer and an inner, ow & w; not visible, weather abdichtender\nlayer.
A list of the subterranean fauna of the river basin and cave waters of the southern Harz Mountains and Kyffhäuser Mountains is given.Both the chemistry of the subterranean waters and the food chain relationships of the subterranean fauna are considered. The biota of the caves is compared to...
By the demolition of the upper part of the dam crown all alignement points and direct pendulums were removed. For the time of construction pillars were erected at the foot of the dam and targets were attached at the dam crown, so that the dam could be monitored by means of the traverse...