Seismic instruments: article

V. Smirnov
K. Borisov
Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch of the Russian Academy of Sciences
Journal: Seismic instruments
Tome: 46
Number: 4
Year: 2010
Pages: 25-29
Keywords: earthquake, ionosphere, electronic concentration, angels of arrival