ATUTIS, E.; BUDVYTIS, M.; ATUTIS, M. Experimental study on the flexural and shear analysis of concrete beams rein forced with glass fiber -reinforced (GFRP) bars. Mokslas – Lietuvos ateitis / Science – Future of Lithuania, v. 5, n. 5, p. 467-473, 19 Dec. 2013.