Radiofrequency electromagnetic fields from mobile devices used for learning and workingKoppel, Tarmo; Ahonen, MikkoElektronika ir elektrotechnika = Electronics and electrical engineering2013 / p. 65-70 : ill https://doi.org/10.5755/j01.eee.19.6.4565 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS