TY - RPRT TI - Comment on 'migration of historical earthquakes in California' by C.-Y. King and Z. Ma AU - P.A. Rydelek AU - L. Knopoff AU - C.-Y. King PY - 1990 DO - 10.1007/bf00878005 UR - https://pubs.usgs.gov/publication/70016283 ID - 70016283 ER -