Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
The Flow of Ideas. Russian Thought from the Enlightenment to the Religious-Philosophical Renaissance.= Eastern European Culture, Politics and Societies
Vorrichtung zur digitalen kurzzeitmessung, insbesondere zur entfernungsmessung nach dem rueckstrahlverfahren mit elektromagnetischen oder akustischen impulsen