@misc{oai:tsukuba.repo.nii.ac.jp:00010546, author = {ι‡Žζœ¬, ηœžδΈ€ and Nomoto, Shinichi}, month = {}, note = {application/pdf, Thesis--University of Tsukuba, D.Sc. (B), no. 140, 1983. 3. 25}, title = {A climatological study of visibility in Japan}, year = {1983} }