List of Articles Hosein Behmadi Article 1 - Sulfuric acid immobilized on silica: A versatile and reusable heterogeneous catalyst for the synthesis of phenanthrimidazole derivatives Hossein Behmadi Seyed Mahdi Saadati Mina Roshani Hasan Mohammadi Abbas Razavi Marjan Ramezani Journal of the Iranian Chemical Research , Issue 4 , Year , Summer 2009