Electromagnetic fields' exposure to head, torso and limbs in office workplacesVilcane, Inese; Koppel, Tarmo; Bartusauskis, J.Agronomy research2016 / p. 1737-1744 : ill http://www.ester.ee/record=b1787401*est http://agronomy.emu.ee/category/volume-14/number-5/

Electromagnetic fields' exposure to head, torso and limbs in office workplacesVilcane, Inese; Koppel, Tarmo; Bartušauskis, Janis; Urbane, Valentina; Ievinš, Janis; Kalkis, Henrijs; Roja, Ženija7th International Conference "Biosystems Engineering 2016": 12-13 May, 2016, Estonia, Tartu : book of abstracts2016 / p. 117-118 http://www.bse.emu.ee/Book%20of%20Abstracts_2016.pdf

Exposure to radiofrequency electromagnetic fields from mobile networking in motor-carsKoppel, Tarmo; Ahonen, MikkoBulgarian journal of public health = Българско списание за обществено здраве2015 / p. 24-30 : ill http://ncphp.government.bg/files/spisanie/BG_JURNAL_2015_2_1.pdf

Exposure to radiofrequency electromagnetic fields from mobile networking in motor-cars [Electronic resource]Koppel, Tarmo; Ahonen, MikkoThe 8th International Workshop on Biological Effects of Electromagnetic Fields : papers2014 / [CD-ROM]

Intermediate and low radiofrequency electromagnetic field transmission properties in case of common building materials [Online resource]Koppel, Tarmo; Shishkin, Andrei; Toropovs, Nikolajs; Haldre, Heldur; Hussainova, Irina; Mironovs, Viktors; Tint, Piia2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) : October 13, 14, 2016 : conference proceedings2016 / [6] p. : ill https://doi.org/10.1109/RTUCON.2016.7763144

Microwave reflectance and transmittance properties of conductive composite materialsShishkin, Andrei; Koppel, Tarmo; Mironov, Viktor; Hussainova, Irina; Locs, Janis; Haldre, HeldurEnergy procedia2017 / p. 354-361 : ill https://doi.org/10.1016/j.egypro.2017.04.006

Microwave reflection and absorption properties of wet snowKoppel, Tarmo; Haldre, Heldur; Shishkin, AndreiRiga Technical University 57th International Scientific Conference : "Scientific Conference on Economics and Entrepreneurship" (SCEE'2016) : proceedings2016 / p. 170-171 : ill

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

Reducing exposure to radiofrequency electromagnetic fields from wireless networking with laptop computers [Electronic resource]Koppel, Tarmo; Ahonen, Mikko; Vilcane, IneseSCEE 2014 : Scientific Conference on Economics and Entrepreneurship : 55th International Riga Technical University conference : Latvia, Riga, 14-17 October2014 / [2] p. [CD-ROM]

Reducing exposure to radiofrequency electromagnetic fields from wireless networking with portable computersKoppel, Tarmo; Vilcane, Inese; Ahonen, MikkoScientific journal of Riga Technical University. Safety of technogenic environment2014 / p. 9-13 : ill

Salt water sprayed paper microwave attenuation in shielding workplacesKoppel, Tarmo; Shishkin, Andrei; Haldre, HeldurRiga Technical University 57th International Scientific Conference : "Scientific Conference on Economics and Entrepreneurship" (SCEE'2016) : proceedings2016 / p. 172-173 : ill

Shielding inbound microwave electromagnetic radiationKoppel, Tarmo; Haldre, Heldur56th International Riga Technical University Conference "Scientific Conference on Economics and Entrepreneurship SCEE'2015" : proceedings2015 / p. 151-153 : tab

Snow microwave reflection at mobile phone frequency bandsKoppel, Tarmo; Vilcane, Inese; Tint, Piia; Shishkin, AndreiVide. Tehnologija. Resursi : XI starptautiskas zinatniski praktiskas konferences materiali 2017. gada 15.-17. junijs. 1. sejums = Environment. Technology. Resources : proceedings of the 11th International Scientific and Practical Conference, June 15-17, 2017. Volume I2017 / p. 156-160 : ill http://dx.doi.org/%2010.17770/etr2017vol1.2608