Digital control system analysis and design. - Charles R. Phillips; H. Troy Nagle (IEEE Trans. Syst. Man Cybern., 1985)

A novel algorithm to estimate the pulse pressure variation index ΔPP. - Mateo Aboy; James McNames; Tran Thong; Charles R. Phillips; Miles S. Ellenby; Brahm Goldstein (IEEE Trans. Biomed. Eng., 2004)

Complexity Analysis of Arterial Pressure During Periods of Abrupt Hemodynamic Changes. - Roberto Hornero; Mateo Aboy; Carlos Gómez; Daniel S. Hagg; Charles R. Phillips (IEEE Trans. Biomed. Eng., 2008)