@Article{gtes-4-1-2016,
AUTHOR = {Nakagawa, M. and Koizumi, Y.},
TITLE = {Geothermal heat pump system assisted by \hack{\break}geothermal hot spring},
JOURNAL = {Geothermal Energy Science},
VOLUME = {4},
YEAR = {2016},
NUMBER = {1},
PAGES = {1--10},
URL = {https://www.geoth-energ-sci.net/4/1/2016/},
DOI = {10.5194/gtes-4-1-2016}
}