TY - GEN AU - García Salvador, Rosa María AU - Novas Castellano, Nuria AU - Alcalde García, Alfredo AU - Fernández Ros, Manuel AU - Gázquez Parra, José Antonio PY - 2020 SN - 2076-3417 UR - http://hdl.handle.net/10835/8266 AB - 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... LA - en PB - MDPI KW - extremely low frequency KW - Scopus KW - electromagnetic field KW - cancer KW - occupational exposure KW - exposure assessment KW - lightning ELF phenomena TI - Progress in the Knowledge, Application and Influence of Extremely Low Frequency Signals ER -