TY - GEN AU - Johnson, D P AU - Matheson, H C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1976-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.76-1089 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1976 TI - an analysis of inertial seisometer-galvanometer combinations: ER -