@article{oai:soar-ir.repo.nii.ac.jp:00013231, author = {藪内, 清三}, journal = {信州大学工学部研究報告}, month = {May}, note = {Article, 信州大学工学部研究報告 1: 36-41(1951)}, pages = {36--41}, title = {長野県鋳物砂について(第1報)}, volume = {1}, year = {1951} }