1. Strainmeters and tiltmeters;Agnew;Rev. Geophys.,1986
2. Variations in broadband seismic noise at IRIS/IDA stations in the USSR with implications for event detection;Given;Bull. Seismol. Soc. Am.,1990
3. National Seismic System Science Plan;Heaton;Geol. Surv. Circ. (U.S.),1989
4. Seismic broadband signal and noise levels on and within the seafloor and on islands;Hedlin,1988
5. The IRIS Proposal, 1991–1995;Incorporated Research Institutes for Seismology,1991