• Dynamic lighting system for workplaces at Northen latitudesKoppel, TarmoScientific journal of Riga Technical University. Safety of technogenic environment2012 / p. 39-44 https://www.researchgate.net/publication/266389024_Dynamic_Lighting_System_for_Workplaces_at_Northern_Latitudes
• Dynamic lighting system for workplaces at northern latitudesKoppel, TarmoRiga Technical University 53rd International Scientific Conference dedicated to the 150th anniversary and the 1st Congress of World Engineers and Riga Polytechnical Institute/RTU Alumni : 11-12 October 2012, Riga, Latvija : [abstracts]2012 / p. 454 : ill https://www.researchgate.net/publication/266389024_Dynamic_Lighting_System_for_Workplaces_at_Northern_Latitudes
• A dynamic lighting system for workplaces deficient of daylightKoppel, Tarmo; Tint, PiiaEnvironmental health risk VII2013 / p. 105-116 : ill https://doi.org/10.2495/EHR130101 https://www.scopus.com/sourceid/6000195383 https://www.scopus.com/record/display.uri?eid=2-s2.0-84878100071&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.2495%2FEHR130101%29
• Hoonete energiatõhusus : energianõuded valgustusele = Energy performance of buildings : energy requirements for lighting2010 https://www.ester.ee/record=b2623156*est
• Increasing natural daylight levels in atrium type buildingsKoppel, Tarmo; Tint, Piia56th International Riga Technical University Conference "Scientific Conference on Economics and Entrepreneurship SCEE'2015" : proceedings2015 / p. 154-155
• Lampide ja lampseadmete fotobioloogiline ohutus [Võrguteavik] = Photobiological safety of lamps and lamp systems (IEC 62471:2006, modified)2015 http://www.ester.ee/record=b4532318*est
• Loomulik valgustus elu- ja bürooruumidesTiimus, Priit; Mikli, Lauri2008 https://www.ester.ee/record=b2459210*est
• Milline valgus aitab pimedal ajal? : [tutvustab Tiiu Tamm]Tamm, Tiiu; Kassak, EsmeKodutohter2014 / lk. 32-35 : ill https://artiklid.elnet.ee/record=b2658828*est
• Milline valgustus sobib lasteaeda?Tamm, TiiuÕpetajate Leht2013 / lk. 15 https://artiklid.elnet.ee/record=b2651310*est
• Office workers with better lighting conditions suffer less health symptomsKoppel, Tarmo; Tint, PiiaIntelligent Technologies in Logistics and Mechatronics Systems ITELMS' 2012 : proceedings of the 7th International Conference2013 / p. 136-137
• Research of parameters of light emitting diode lamps and their suitability for lighting of working areasPaju, JanaAgronomy research2013 / p. 449-456 : ill
• Sisevalgustusnormid on lõpuks ilmunudRisthein, EndelEVS Ekstra2004 / 1, kevad, lk. 15-16, 21
• Sisevalgustusstandard uuenesRisthein, EndelElektriala2011 / 8, lk. 36 : ill
• Säästlik valgustus ei pruugi olla tervislikSommer-Kalda, Sirle; Tamm, TiiuPõhjarannik2015 / lk. 5 : fot https://pohjarannik.postimees.ee/term/8500/valgustus
• Valgus ja valgustus : lampide ja valgustite fotomeetriliste andmete mõõtmine ja esitamine. Osa 1, Mõõtmine ja failiformaat = Light and lighting : measurement and presentation of photometric data of lamps and luminaires. Part 1, Measurement and file format2012 https://www.ester.ee/record=b2873432*est
• Valgus ja valgustus : töökohavalgustus. Osa 1, Sisetöökohad = Light and lighting : lighting of work places. Part 1, Indoor work places2012 https://www.ester.ee/record=b2756518*est
• Valgus ja valgustus. TöökohavalgustusRisthein, Endel2003 https://www.ester.ee/record=b1829758*est
• Valgusliku diskomfordi mõõtmine sisevalgustuspaigaldistesRisthein, EndelElektriala2009 / 1, lk. 18-21 : ill
• Valgustuspaigaldise hooldetegurRisthein, EndelElektriala2005 / 5, lk. 22-24 https://artiklid.elnet.ee/record=b1018376*est