[1]  Charlotte Yuk-Fan Ho, Bingo Wing-Kuen Ling and Joshua D. Reiss,“ Design of interpolative sigma delta modulators via a semi-infinite programming approach,” Advanced A/D and D/A Conversion Techniques and Their Applications, ADDA, pp. 271-276, July,2005. (Limerick).    

[2]  Bingo Wing-Kuen Ling, Charlotte Yuk-Fan Ho and Joshua D. Reiss,“ Fuzzy impulsive control of higher order sigma-delta modulators,” 118thConvention of Audio Engineering Society, AES, no. 6451, May, 2005.(Barcelona).    

[3]  Bingo Wing-Kuen Ling, Charlotte Yuk-Fan Ho, Xinghuo Yu and Joshua D. Reiss, “Nonlinear behaviors of band pass sigma-delta modulators with stable system matrices,” International Conference of Acoustics, Speech and Signal Processing, ICASSP, vol. 4, pp. 73-76, March, 2005. (Philadelphia).