Characterization and properties of elephant grass ashes as supplementary cementing material in pozzolan/Ca(OH)2 pastes - Nakanishi, Erika Yukari; Frías, Moisés; Martínez-Ramírez, Sagrario; Santos, Sérgio Francisco dos; Rodrigues, Michelle Santos; Rodríguez, Olga; Savastano Júnior, Holmer (Construction and Building Materials, 2014)