• 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 https://www.scopus.com/sourceid/29904 https://www.scopus.com/record/display.uri?eid=2-s2.0-85145502935&origin=resultslist&sort=plf-f&src=s&sid=bd2c53100afe07fa1c2c5900ad0f3426&sot=b&sdt=b&s=TITLE-ABS-KEY%28%22limiting+exposure+to+radiofrequency%22%29&sl=55&sessionSearchId=bd2c53100afe07fa1c2c5900ad0f3426 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20RADIAT%20BIOL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000906966000001
• 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