@article{oai:repository.dl.itc.u-tokyo.ac.jp:00032762, author = {高橋, 辰利 and 柳澤, 道夫}, issue = {1}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Jun}, note = {application/pdf}, pages = {259--284}, title = {油壺地殻変動観測所における観測 : 旧観測坑における観測(1949~1981年)}, volume = {66}, year = {1991} }