Atanas Terziyski
Faculty of Chemistry
University of Plovdiv
Tsar Assen 24, Str.
4000 Plovdiv
e-mail: atanas at uni-plovdiv.net
handy: +359-888-717141

Deyan Stoykov
Computing and Information Services Center
University of Ruse
8 Studentska Str.
7017 Ruse
e-mail: eduroam at uni-ruse.bg
tel.: +359-82-888-595