• Analysis of heating energy of ventilation and underground heat exchanger in North European passive housesVoll, Hendrik; Seinre, Erkki; Sööt, MatiInternational journal of energy and environment2012 / p. 92-100 : ill https://www.academia.edu/100156656/Analysis_of_Heating_Energy_of_Ventilation_and_Underground_Heat_Exchanger_in_North_European_Passive_Houses
• Analysis of heating energy of ventilation systems in non-residental passive houses in EstoniaVoll, Hendrik; Raide, IndrekRecent Researches in Urban Sustainability and Green Development : proceedings of the 2nd International Conference on Urban Sustainability, Cultural Sustainability, Green Development, Green Structures and Clean Cars (USCUDAR'11) : Prague, Czech Republic, September 26-28, 20112011 / p. 95-100 : ill
• Planning in a vacuum : Tartu University hospital and urban development of the city of Tartu in the second half of the 20th century.Tohvri, Epi; Udumäe, KaisiTransylvanian Review of Administrative Sciences2013 / p. 201-2011 https://www.researchgate.net/publication/298322542_Planning_in_a_Vacuum_Tartu_University_Hospital_and_Urban_Development_of_the_City_of_Tartu_in_the_Second_Half_of_the_20th_Century https://www.scopus.com/sourceid/19400158596 https://www.scopus.com/record/display.uri?eid=2-s2.0-84879329846&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=AUTH%28Tohvri%2C+E.%29&sessionSearchId=7fe075c7ae3b8ad5f0628183fc169946&relpos=1