Initialization in fractional order systems. - Carl F. Lorenzo; Tom T. Hartley (ECC, 2001)

Fractional-order system identification based on continuous order-distributions. - Tom T. Hartley; Carl F. Lorenzo (Signal Process., 2003)

Chaotic Behavior in a fractional-Order System containing a continuous Order-Distribution. - Tom T. Hartley; Carl F. Lorenzo (Int. J. Bifurc. Chaos, 2012)

Energy storage and loss in fractional-order circuit elements. - Tom T. Hartley; Robert J. Veillette; Jay L. Adams; Carl F. Lorenzo (IET Circuits Devices Syst., 2015)