Simulation of Annual Functionality of Roof Turbine VentilatorStreckienė Giedrė, Motuzienė Violeta, Rimdžius Dovydas, Martinaitis Vytautas and Bielskus JuozasE3S Web Conf., 64 (2018) 07002DOI: https://doi.org/10.1051/e3sconf/20186407002