@article{oai:u-ryukyu.repo.nii.ac.jp:02006996, author = {Nakamura, Isao and 中村, 功}, issue = {12}, journal = {琉球大学理工学部紀要. 理学編, Bulletin of Science & Engineering Division, University of Ryukyus. Mathematics & natural sciences}, month = {Apr}, note = {紀要論文}, pages = {50--60}, title = {Studies on Objective Weather-map Analysis}, year = {1969} }