@article{oai:yamagata.repo.nii.ac.jp:02001046, author = {前川, 勝朗 and MAEKAWA, Katsuro}, journal = {山形農林学会報, Journal of the Yamagata Agriculture and Forestry Society}, month = {Nov}, note = {論文(Article)}, pages = {23--28}, title = {三郷堰頭首工における護床ブロックの粗度について}, volume = {43}, year = {1986} }