@article{paperid:1029547, author = {Rahmanivahid, Behgam and Saghatoleslami, Nasser and حامد نایب زاده and A. Maskooki}, title = {Preparation of Nano-Size Al-Promoted Sulfated Zirconia and the Impact of Calcination Temperature on Its Catalytic Activity}, journal = {Chemical and Biochemical Engineering Quarterly}, year = {2012}, volume = {26}, number = {2}, month = {May}, issn = {0352-9568}, pages = {71--77}, numpages = {6}, keywords = {Sulfated zirconia; alumina; solvent-free; calcination; esterification}, }