Conference paper (2012) - M. Cuschieri (author), L. E. Fratila-Apachitei (author), Lidy E. Fratila-Apachitei (author), Lidy Fratila-Apachitei (author), E.L. Fratila-Apachitei (author), Zhiguang Huan (author), Z. Huan (author), MA Leeflang (author), M.A. Leeflang (author), S. Leeflang (author), Marius A. Leeflang (author), Sander Leeflang (author), M. A. Leeflang (author), Julian Apachitei (author), I. Apachitei (author), Iulian Apachitei (author), J. Duszczyk (author), J Duszczyk (author)