Comparisons between vs30 and spectral response for 30 sites in Newcastle, Australia from collocated seismic cone penetrometer, active- and passive-source vs data - Volti, Theodora; Burbidge, David; Collins, Clive; Asten, Michael; Odum, Jackson K.; Stephenson, William; Pascal, Chris; Holzschuh, Josef (Bulletin of the Seismological Society of America, 2016)