Mituhiko Sugihara, Yuji Nishi, Hiroshi Ikeda, Kazunari Nawa, Tsuneo Ishido. Monitoring CO2 Injection at the Tomakomai Field Using High-sensitivity Continuous Gravimetry. Energy Procedia. 2017. 114. 4020-4027
Mituhiko Sugihara, Kazunari Nawa, Tsuneo Ishido, Nobukazu Soma, Yuji Nishi. Potentiality of continuous measurements using a small-sized superconducting gravimeter for geothermal reservoir monitoring. Transactions - Geothermal Resources Council. 2015. 39. 635-641
Mituhiko Sugihara, Kazunari Nawa, Tsuneo Ishido, Nobukazu Soma, Yuji Nishi. Gravity monitoring for CO2 sequestration using a superconducting gravimeter. Proceedings of the 11th SEGJ International Symposium, Yokohama, Japan, 18-21 November 2013. 2013
M. Sugihara, K. Nawa, Y. Nishi, T. Ishido, N. Soma. Continuous gravity monitoring for CO2 geo-sequestration. GHGT-11. 2013. 37. 4302-4309
Mituhiko Sugihara, Kazunari Nawa, Yuji Nishi, Tsuneo Ishido, Keiichi Sakaguchi. Gravity monitoring at the Hachijojima geothermal field, Japan. Proceedings of the 10th SEGJ International Symposium. 2011. 487