Authors : ali masoumi

Authors : vanda villányi-helga déri-evelin r péli-zsolt csintalan

Authors : rasa garjonyte-vytautas melvydas-algimantas paškevičius-valerijus rašomavičius-albertas malinauskas

Authors : konstantina v kocheva-peter i petrov-georgi i georgiev

Authors : slavko kevrešan-ivana maksimović-boris m popović-dubravka štajner-marina putnikdelić

Authors : afonso cc lemonge-helio jc barbosa-alvaro lga coutinho-carlos ch borges