@article{oai:repository.dl.itc.u-tokyo.ac.jp:00032673, author = {Sawada, Munehisa}, issue = {2}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Mar}, note = {application/pdf}, pages = {155--265}, title = {The Source Mechanism of B-type and Explosion Earthquakes and the Origin of N-type Earthquakes Observed at Asama Volcano, Central Japan}, volume = {73}, year = {1990} }