Conference paper (2007) - ET Rahardjo (author), G Witjaksono (author), A.A. Lestari (author), A Yarovoy (author), Alexander Yarovoy (author), A.G. Yarovyi (author), A.G. Yarovoy (author), A. Yarovyi (author), O. Yarovoy (author), Olexander Yarovoy (author), Marco Spirito Alexander Yarovoy (author), Olexander Yarovyi (author), A. G. Yarovoy (author), Alexander Yarovyi (author), A. Yarovoy (author), A Yarovyi (author), A Yarovoy (author), Alexander Yarovoy (author), A. G. Yarovoy (author), Marco Spirito Alexander Yarovyi (author), Alexander G. Yarovoy (author), O. Yarovoy (author), O. Yarovyi (author), A. G. Yarovyi (author), A. Yarovoy (author), Olexander Yarovoy (author), Alexander G. Yarovyi (author), Alexander G. Yarovoy (author), Marco Spirito Alexander Yarovoy (author), A.G. Yarovoy (author), L.P. Ligthart (author), Leo P. Ligthart (author), L. P. Ligthart (author), LP Ligthart (author), Leo Ligthart (author), Leonardus P. Ligthart (author)