2000 Karakelian, D., S.L. Klemperer, G.C. Beroza and A.C. Fraser-Smith. A transportable system for monitoring ultra low frequency electromagnetic signals associated with earthquakes.

2000 Karakelian, D., S.L. Klemperer, G.C. Beroza and A.C. Fraser-Smith. A transportable system for monitoring ultra low frequency electromagnetic signals associated with earthquakes. Seismological Research Letters, v. 71, 423-436.