@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033549, author = {Hirasawa, Tomowo}, issue = {3}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Jan}, note = {application/pdf}, pages = {919--938}, title = {A Least Squares Method for the Focal Mechanism Determination from S Wave Data; Part II Applied Examples and Statistical Discussions}, volume = {44}, year = {1967} }