TY - RPRT TI - Merged bibliography of the quadrennial Seismology Report (1983-1986) to the International Union of Geodesy and Geophysics AU - C.K. Sullivan PY - 1987 DO - 10.3133/ofr87516 UR - https://pubs.usgs.gov/publication/ofr87516 ID - ofr87516 ER -