TY - RPRT TI - C-language software for computing strong ground motion metrics and seismograph self noise AU - J.R. Evans AU - R.L. Nigbor AU - C. R. Hutt PY - 2006 DO - 10.3133/ofr20061369 UR - https://pubs.usgs.gov/publication/ofr20061369 ID - ofr20061369 ER -