@article{oai:barrel.repo.nii.ac.jp:00004487,
 author = {長谷部, 亮一},
 issue = {2},
 journal = {商学討究},
 month = {Sep},
 note = {論説},
 pages = {31--54},
 title = {景気変動論における予想要因},
 volume = {6},
 year = {1955}
}