Valančius, K., S. Paulauskaitė, and V. Motuzienė. “Research of Apartment buildings‘ Ventilation Systems and Analysis of System Renewal Options”. Mokslas – Lietuvos Ateitis / Science – Future of Lithuania, vol. 7, no. 4, Sept. 2015, pp. 485-92, doi:10.3846/mla.2015.825.