Carbon dioxide levels in educational institutionsHani, Allan; Kõiv, Teet-Andrus; Mikola, AloRecent Researches in Energy & Environment : 6th IASME / WSEAS International Conference on Energy & Environment (EE '11), Cambridge, UK, February 23-25, 20112011 / p. 359-364 : ill Indoor air quality in apartment buildings of EstoniaMikola, Alo; Kõiv, Teet-AndrusRecent Researches in Environment, Energy Planning and Pollution : Proceedings of the 5th WSEAS International Conference on Renewable Energy Sources (RES'11). [...(EPESE'11), ... (WWAI'11)] : Iasi, Romania, July 1-3, 20112011 / p. 13-17 : ill Indoor climate problems in apartment and school buildingsMikola, Alo; Kõiv, Teet-AndrusProceedings of CLIMA 2013 : 11th REHVA World Congress and the 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings, Prague 16th-19th June, 20132013 / p. 1754-1764 : ill The performance of the ventilation in Estonian retrofitted apartment buildingsMikola, Alo; Kõiv, Teet-Andrus; Tennokese, KasparCLIMA 2016 - proceedings of the 12th REHVA World Congress. Vol. 52016 / [10] p. : ill http://vbn.aau.dk/files/233760270/paper_641.pdf Ventilating with room units in educational institutionsHani, Allan; Kõiv, Teet-Andrus; Mikola, AloInternational journal of energy and environment2011 / p. 629-636 : ill