Carden, L. P.; Davidson, B. J.; Larkin, T. J.; Buckle, I. G. Retrofit of Seismically Isolated Structures for Near-Field Ground Motion Using Additional Viscous Damping. BNZSEE 2005, 38 (2), 106-118. https://doi.org/10.5459/bnzsee.38.2.106-118.