TY - RPRT TI - Spektra CS-18P Seismic Calibration System: Reference Measurement Distortion Reduction Efforts. AU - Slad, George AU - Merchant, Bion PY - 2020 DO - 10.2172/1881709 UR - https://www.osti.gov/biblio/1881709 ID - 1881709 ER -