Aerated concrete microwave reflection and transmission properties in a wet environmentKoppel, Tarmo; Vilcane, Inese; Mironovs, Viktors; Shishkin, Andrei; Rubene, Sanita; Tint, PiiaVide. Tehnologija. Resursi : XI starptautiskas zinatniski praktiskas konferences materiali 2017. gada 15.-17. junijs. 3. sejums = Environment. Technology. Resources : proceedings of the 11th International Scientific and Practical Conference. Volume III2017 / p. 145-149 : ill https://doi.org/10.17770/etr2017vol3.2619

Diagnosis of moisture movements in massive dolostone walls of medieval churchesKurik, Lembit; Kalamees, Targo; Kallavus, UrveRecent developments in building diagnosis techniques2016 / p. 69-90 : ill http://dx.doi.org/10.1007/978-981-10-0466-7_5

Electromagnetic shielding properties of ceramic spheres coated with paramagnetic metalKoppel, Tarmo; Shiskin, A.; Hussainova, Irina; Haldre, Heldur; Tint, PiiaAgronomy research2016 / p. 1015-1022 : ill http://ise.elnet.ee/record=b2891940~S1*est

Environmental radiofrequency radiation at the Järntorget Square in Stockholm Old Town, Sweden in May, 2018 compared with results on brain and heart tumour risks in rats exposed to 1.8 GHz base station environmental emissionsHardell, Lennart; Carlberg, Michael; Hedendahl, Lena; Koppel, Tarmo; Ahonen, MikkoWorld academy of sciences journal2019 / p. 47-54 : ill https://doi.org/10.3892/wasj.2018.5

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

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

Reflection and transmission properties of common construction materials at 2.4 GHz frequencyKoppel, Tarmo; Shishkin, Andrei; Haldre, Heldur; Toropovs, Nikolajs; Vilcane, Inese; Tint, PiiaEnergy procedia2017 / p. 158-165 https://doi.org/10.1016/j.egypro.2017.04.045

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

The use of microwave method for diagnosis of moisture content of massive dolostone walls of medieval churchesKurik, Lembit; Kalamees, Targo; Kallavus, UrveISBP 2015 : 1st International Symposium on Building Pathology : conference proceedings : March 24-27, 2015, Porto, Portugal2015 / p. 189-196 : ill