Delavar, M. , Ghoreyshi, A. , Jahanshahi, M. , Irannejad, M.. "Experimental Evaluation of Methane Adsorptionon Granular Activated Carbon (GAC) and Determination of Model Isotherm". World Academy of Science, Engineering and Technology, Open Science Index 38, International Journal of Chemical and Molecular Engineering, (2010), 4(2), 153 - 156.