Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tsunoda Tadashi,Presentation of Underground Temperatures Renewal Type Geothermal Heat Pump System,JAPAN TAPPI JOURNAL,0022815X,JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY,2012,66,7,696-702,https://cir.nii.ac.jp/crid/1390001206518938368,https://doi.org/10.2524/jtappij.66.696