Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAKEDA Hiroshi and IGETA Yutaka and KIMURA Shigeo and KIWATA Takahiro and KOMATSU Nobuyoshi,Development of Groundwater Flow Meter Using a Single Borehole,Journal of the Geothermal Research Society of Japan,03886735,THE GEOTHERMAL RESEARCH SOCIETY OF JAPAN,2009,31,4,193-202,https://cir.nii.ac.jp/crid/1390282681103285120,https://doi.org/10.11367/grsj.31.193