Number | Name | Date | Kind |
---|---|---|---|
2688124 | Doty et al. | Aug 1954 | |
3806864 | Broding et al. | Apr 1974 | |
3946357 | Weinstein et al. | Mar 1976 | |
3952283 | Broding | Apr 1976 | |
4017833 | Broding | Apr 1977 | |
4257098 | Lacy | Mar 1981 | |
4281403 | Siems et al. | Jul 1981 | |
4455654 | Bhaskar et al. | Jun 1984 | |
4493063 | Tims et al. | Jan 1985 |
Entry |
---|
Rothero, "A Portable Digital Seismic Recorder with Event Recording Capability", Bulletin of the Seismological Society of Amer., vol. 66, No. 3, pp. 979-985, Jun. (1976). |