坂田 正治

新しく考案したボアホール式3成分ひずみ計 

国立防災科学技術センター研究報告、第25号（1981年）  

海底IBOS観測図の構想 ―海域に起きる大地震の予知のために― 

地震予知研究シンポジウム論文集（1994年）  

ボアホール式計器による地殻変動連続観測 

測地学会誌、第31巻、No.1、1985年  

Proposal for Ocean-Bottom IBOS Network -For Short-time Prediction of Earthquakes in Ocean Areas- 

Proceedings of Symposium on Earthquake Prediction (in Japanese) 1994  

On the concepts of some newly-invented borehole three-component strainmeters 

Report of the National Research Center for Disaster Prevention No.25 (in Japanese) 1981  

Borehole-Type Tiltmeter and Three-Component Strainmeter 

Journal of Physics of the Earth, Vol.34, 1986  

On the concepts of some newly-invented borehole three-component strainmeters 

Proceedings of Symposium on Earthquake Prediction (in Japanese) 1994  

On the concepts of some newly-invented borehole three-component strainmeters 

Journal of Physics of the Earth, Vol.34, 1986  

Borehole-Type Tiltmeter and Three-Component Strainmeter 

Journal of Physics of the Earth, Vol.34, 1986