@article{oai:soar-ir.repo.nii.ac.jp:00015531,
 author = {北澤,  周一},
 issue = {1},
 journal = {蠶絲學雜誌},
 month = {Sep},
 note = {Article, 蠶絲學雜誌 3(1): 16-23(1930)},
 pages = {16--23},
 title = {五齡期蠶兒の食桑状況に就て},
 volume = {3},
 year = {1930}
}