Root locations of an entire polytope of polynomials: It suffices to check the edges. - Andrew C. Bartlett; Christopher V. Hollot; Huang Lin (Math. Control. Signals Syst., 1988)

Parametric uncertainty and unmodeled dynamics: Analysis via parameter space methods, . - Christopher V. Hollot; Douglas P. Looze; Andrew C. Bartlett (Autom., 1990)

Frequency response of uncertain systems with interval plants. - Andrew C. Bartlett; Alberto Tesi; Antonio Vicino (IEEE Trans. Autom. Control., 1993)