A Perturbation Scheme for Passivity Verification and Enforcement of Parameterized Macromodels Stefano Grivet Talocia (2017) A Perturbation Scheme for Passivity Verification and Enforcement of Parameterized Macromodels, In: IEEE TRANSACTIONS ON COMPONENTS, PACKAGING, AND MANUFACTURING TECHNOLOGY, pp. 1869-1881, ISSN: 2156-3950