@article{oai:tsukuba.repo.nii.ac.jp:00051599, author = {村上 , 悟 and 清水, 幸男 and 上野, 健一 and UENO, Kenichi and MURAKAMI, Satoru and SHIMIZU, Yukio}, issue = {3}, journal = {日本鳥学会誌, Japanese Journal of Ornithology}, month = {Jun}, pages = {219--232}, title = {滋賀県北部におけるオオヒシクイ個体数の年次変動と環境要因}, volume = {48}, year = {2000, 2019}, yomi = {ウエノ, ケンイチ} }