@article{oai:repository.dl.itc.u-tokyo.ac.jp:00022380, author = {川浦, 潔}, issue = {11}, journal = {生産研究}, month = {Nov}, note = {application/pdf}, pages = {341--343}, title = {研究速報 : 積雪地域における道路交通調査}, volume = {19}, year = {1967} }