@article{oai:twcpe.repo.nii.ac.jp:00001142, author = {福島, 博}, journal = {紀要}, month = {Mar}, pages = {48--55}, title = {理科教材の基礎研究(2)―特に河川の水質汚濁と生物指標―}, volume = {26}, year = {1991}, yomi = {フクシマ, ヒロシ} }