@misc{oai:nipr.repo.nii.ac.jp:00014200, author = {Nishimura, Toshi and Varney, Roger and Gillies, Robert and Donovan, Eric}, month = {May}, note = {18th EISCAT symposium Session E4: Aurora and airglow May 30 (Tue), National Institute for Japanese Language}, title = {Formation of polar cap patches measured by the RISR radar pair}, year = {2017} }