Fiber fractions, multielemental and isotopic composition of a tropical C4 grass grown under elevated atmospheric carbon dioxide - Abdalla Filho, Adibe Luiz; Costa Junior, Geovani T; Lima, Paulo M.T; Soltangheisi, Amin; Abdalla, Adibe Luiz; Ghini, Raquel; Piccolo, Marisa de Cassia (PeerJ, 2019)