Optimization of custom MOS circuits by transistor sizing. - Andrew R. Conn; Paula K. Coulman; Ruud A. Haring; Gregory L. Morrill; Chandramouli Visweswariah (ICCAD, 1996)

JiffyTune: circuit optimization using time-domain sensitivities. - Andrew R. Conn; Paula K. Coulman; Ruud A. Haring; Gregory L. Morrill; Chandramouli Visweswariah; Chai Wah Wu (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1998)