@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033486, author = {Matumoto, Hideteru}, issue = {3}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Nov}, note = {application/pdf}, pages = {739--748}, title = {An Automatic On-line Data Processor for Micro-earthquake Field Observations}, volume = {45}, year = {1967} }