Novel applications of row-semi-indefinite networks. - W. J. Su; Q. S. Zhu; F. J. Lidgey (ISCAS, 1993)

High CMRR, Second Generation Current-mode Instrumentation Amplifiers. - Q. S. Zhu; F. J. Lidgey; W. J. Su (ISCAS, 1993)

Analysis of IC Op-Amp Power-Supply Current Sensing. - W. J. Su; F. J. Lidgey; S. Porta; Q. S. Zhu (ISCAS, 1994)