Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TOMINAGA Atsushi and HANZAWA Hiromi and YANAI Takanori and ARAYAMA Kazunori,"Decadal changes in standing crops of fish and crustaceans in Lake Kasumigaura, Ibaraki Prefecture",Japanese Journal of Limnology (Rikusuigaku Zasshi),0021-5104,The Japanese Society of Limnology,2013,74,1,1-14,https://cir.nii.ac.jp/crid/1390001204062285696,https://doi.org/10.3739/rikusui.74.1