Daugėla, A., Nagrockienė, D. and Zarauskas, L. 2016. Biofuel combustion fly ash influence on the properties of concrete. Mokslas – Lietuvos ateitis / Science – Future of Lithuania. 7, 5 (Feb. 2016), 546-550. DOI:https://doi.org/10.3846/mla.2015.845.