List of Articles Hexabenzylhexaazaisowurtzitane (HBIW) Open Access Article Abstract Page Full-Text 1 - Citric acid as an efficient and green catalyst for the synthesis of hexabenzylhexaazaisowurtzitane (HBIW) Sahar Shokrollahi Ali Ramazani Seyed Jamal Tabatabaei Rezaei Asemeh Mashhadi Malekzadeh Pegah Azimzadeh Asiabi Sang Woo Joo