TY - RPRT TI - In-situ measurements of seismic velocity at 19 locations in the Los Angeles, California, region AU - Thomas E. Fumal AU - James F. Gibbs AU - Edward F. Roth PY - 1981 DO - 10.3133/ofr81399 UR - https://pubs.usgs.gov/publication/ofr81399 ID - ofr81399 ER -