Stabilization of a class of underactuated mechanical systems via interconnection and damping assignment. - Romeo Ortega; Mark W. Spong; Fabio Gómez-Estern; Guido Blankenstein (IEEE Trans. Autom. Control., 2002)

Geometric modeling of nonlinear RLC circuits. - Guido Blankenstein (IEEE Trans. Circuits Syst. I Regul. Pap., 2005)