Limiting exposure to radiofrequency radiation : the principles and possible criteria for health protectionHinrikus, Hiie; Koppel, Tarmo; Lass, Jaanus; Roosipuu, Priit; Bachmann, MaieInternational Journal of Radiation Biology2023 / p. 1167-1177 https://doi.org/10.1080/09553002.2023.2159567 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Microwave reflection properties of building materials in the working environmentKoppel, Tarmo; Haldre, Heldur56th International Riga Technical University Conference "Scientific Conference on Economics and Entrepreneurship SCEE'2015" : proceedings2015 / p. 148-150 : tab