TY - RPRT TI - Slip-rate increase at Parkfield in 1993 detected by high-precision EDM and borehole tensor strainmeters AU - J. Langbein AU - R. L. Gwyther AU - R.H.G. Hart AU - M. T. Gladwin PY - 1999 UR - https://pubs.usgs.gov/publication/70020971 ID - 70020971 ER -