Photo - electrical device which can be used on board a vehicle such as an aircraft to control the road, in order to measure the deviation, the actual speed... B Marcel,G Carl 被引量: 0发表: 1940年 Floor for an aircraft cargo compartment and a method for the assembly thereof The ...
It is clear that many of the current discontents of our day are not simply economic, but extend to social issues (immigration and free speech) as well as the state (the future of the EU and the rise of populism on the left and right). The problem is not merely the stability of our...