Progress in the Knowledge, Application and Influence of Extremely Low Frequency Signals
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Author/sGarcía Salvador, Rosa María; Novas Castellano, Nuria; Alcalde García, Alfredo; Fernández Ros, Manuel; Gázquez Parra, José Antonio
This paper describes the characteristics of contributions made by researchers worldwide in the field of ELF (extremely low frequency) waves from 1957 to 2019. The data were collected through the Scopus database and processed with analytical and bibliometric techniques. The selection of the keywords is an essential step, because ELF has a very different meaning in some areas of medicine, where it is associated with a gene. A total of 12,436 documents were worked on in 12 thematic communities according to their collaborative relationships between authors and documents. Studies included authors publishing in the different thematic areas and the country where the USA stands first with more researchers in this theme than China and Japan. Documents were analyzed from the temporal perspective, their overall contribution, means of publication, and the language of the publication. Research requires extra effort and multidisciplinary collaboration to improve the knowledge, the application, and i...
extremely low frequency
lightning ELF phenomena