TY - RPRT TI - Moment-tensor solutions estimated using optimal filter theory: Global seismicity, 2001 AU - S.A. Sipkin AU - C. G. Bufe AU - M.D. Zirbes PY - 2003 DO - 10.1016/s0031-9201(03)00062-1 UR - https://pubs.usgs.gov/publication/70025457 ID - 70025457 ER -