TY - RPRT TI - Pg-wave data-base tabulation from recordings made by vertical short-period systems on the LRSM and New England networks AU - A. F. Espinosa AU - J. A. Michael PY - 1983 DO - 10.3133/ofr83590 UR - https://pubs.usgs.gov/publication/ofr83590 ID - ofr83590 ER -