Spudich, P., L. K. Steck, M. Hellweg, J. B. Fletcher, and L. M. Baker. “Transient Stresses Al Parkfield, California, Produced by the M 7.4 Landers Earthquake of June 28, 1992: Implications for the Time-Dependence of Fault Friction”. Annals of Geophysics, vol. 37, no. 6, Nov. 1994, doi:10.4401/ag-4146.