Zare, A. , , Hasaninejad, A. , , Rostami, E. , , Moosavi-Zare, A. R. , and Merajoddin, M. . "PEG-SO3H as a New, Highly Efficient and Homogeneous Polymeric Catalyst for the Synthesis of Acylals from Aldehydes and Acetic Anhydride", Scientia Iranica, 17, 1, 2010, -.