TY - JOUR T1 - Use of rice husk ash as only source of silica in the formation of mesoporous materials JO - CerĂ¢mica A1 - Schwanke, A. J. A1 - Melo, D. M. A. A1 - Silva, A. O. A1 - Pergher, S. B. C. SN - 0366-6913 UL - 10.1590/S0366-69132013000100022 VL - 59 Y1 - 2013 PB - Brasil ER -