Dolgov, Leonid
Kondratiev, Vladimir I.
Loot, Ardi
Kiisk, Valter
Lange, Sven
Funding for this research was provided by:
Estonian Research Council (institutional project IUT34-27)
Estonian Science Foundation (ETF9283)
Seventh Framework Programme (IRSES 612620)
NATO Science for Peace and Security (NUKR.SFPP984702)