%0 Conference Proceedings %T Preparation of novel nano-catalyst Sr/S-ZrO2 by solvent Free method and investigating the catalytic activity in esterification reaction %A Nayebzadeh, Hamed %A Rahmanivahid, Behgam %A Saghatoleslami, Nasser %A MASKOOKI, ABDOLMAJID %J 4th international conference on nanostructures %D 2012