@article{oai:repository.dl.itc.u-tokyo.ac.jp:00022190, author = {久保, 慶三郎}, issue = {12}, journal = {生産研究}, month = {Dec}, note = {application/pdf}, pages = {614--619}, title = {南北海道地方の土木構造物の震害調査}, volume = {20}, year = {1968} }