Conference paper (2015) - I. Josifovic (author), J. Popovic-Gerber (author), J Popovic-Gerber (author), J Gerber-Popovic (author), Jelena Popovic-Gerber (author), J. Gerber-Popovic (author), Jelena Gerber-Popovic (author), J. Popovi¿ (author), Jelena Popovi¿ (author), Jelena Popovic (author), J Popovi¿ (author), J. Popovic (author), J Popovic (author), Jan A. Ferreira (author), JA Ferreira (author), Braham Ferreira (author), J. A. Ferreira (author), JA Ferreira (author), J.A. Ferreira (author), J. A. Ferreira (author), Braham Ferreira (author), Jan A. Ferreira (author), J.A. Ferreira (author), Jan Abraham Ferreira (author), Bram Ferreira (author), Jan Abraham Ferreira (author), Bram Ferreira (author), U Drofenik (author), E Mengotti (author)