@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024769, author = {亦木, 英一}, issue = {12}, journal = {生産研究}, month = {Dec}, note = {application/pdf}, pages = {504--507}, title = {荷役設備の選定とその經濟計算}, volume = {2}, year = {1950} }