TY - RPRT TI - Test and evaluation of the Guralp Systems CMG-3S broadband borehole deployable seismometer system AU - Larry Claude Holcomb AU - Charles R. Hutt PY - 1991 DO - 10.3133/ofr91282 UR - https://pubs.usgs.gov/publication/ofr91282 ID - ofr91282 ER -