%0 Conference Proceedings %T Catalytic Application of Some Heteropolyacid Compounds in Esterification Reaction %A S. Sheshmani %A Mirzaei Shahrabi, Masoud %A Salimi, Alireza %A M. Arab Fashapoyeh %A B. Abedi Rad %A S. Nouri Ghortolmesh %J 12th Iranian Inorganic Chemistry Conference %D 2010