The European Leadership Network (ELN) is an independent, non-partisan, pan-European NGO with a network of nearly 200 past, present and future European leaders working to provide practical real-world solutions to political and security challenges
P. Skvortsov, R. Lange, und F. Dürr. Scientific Papers of Donetsk National Technical University. "Problems of Simulation and Computer Aided Design of Dynamic Systems", (2011)