Determination of energy performance requirements for apartment buildings in EstoniaHani, Allan; Kalamees, Targo; Kõiv, Teet-Andrus9th International Conference & Exhibition Healty Buildings 2009 : September 13-17, 2009, Syracuse, NY, USA2009 / paper 409, [4] p. : ill Indoor climate analyzis of the old observatory in TartuArumägi, Endrik; Kalamees, Targo; Õiger, Karl; Kallavus, Urve; Kurik, Lembit9th International Conference & Exhibition Healty Buildings 2009 : September 13-17, 2009, Syracuse, NY, USA2009 / p. Paper 398 Indoor climate in the Cathedral of Saint Mary the Virgin, TallinnKalamees, Targo; Malva, L.9th International Conference & Exhibition Healty Buildings 2009 : September 13-17, 2009, Syracuse, NY, USA2009 / p. Paper 101