Conference paper (2004) - E Fratticcioli (author), R Sorrentino (author), Olexander Yarovoy (author), A. G. Yarovoy (author), A Yarovyi (author), Alexander Yarovoy (author), O. Yarovoy (author), A Yarovoy (author), Alexander G. Yarovoy (author), Olexander Yarovyi (author), A. Yarovyi (author), Olexander Yarovoy (author), Alexander Yarovyi (author), Alexander Yarovoy (author), Alexander G. Yarovoy (author), A. G. Yarovyi (author), A Yarovoy (author), A.G. Yarovoy (author), A. G. Yarovoy (author), Alexander G. Yarovyi (author), A.G. Yarovyi (author), A. Yarovoy (author), A. Yarovoy (author), A.G. Yarovoy (author), O. Yarovoy (author), O. Yarovyi (author), L.P. Ligthart (author), Leo P. Ligthart (author), Leo Ligthart (author), LP Ligthart (author), L. P. Ligthart (author), Leonardus P. Ligthart (author)