@article{oai:obihiro.repo.nii.ac.jp:00002005, author = {辻, 修 and 松田, 豊 and 土谷, 富士夫}, issue = {3}, journal = {帯広畜産大学学術研究報告. 第I部, Research bulletin of Obihiro Zootechnical University. Series I}, month = {Nov}, note = {application/pdf}, pages = {255--261}, title = {道路側溝の凍上害について}, volume = {17}, year = {1991} }