%0 Journal Article %T Performance assessment of a natural gas expansion plant integrated with a vertical ground-coupled heat pump %A Reza Ghezelbash %A Farzaneh-Gord, Mahmood %A Hamidreza Behi %A Meisam Sadi %A Heshmatollah Shams Khorramabady %J Energy %@ 0360-5442 %D 2015