@article{oai:rakuno.repo.nii.ac.jp:00004052,
 author = {BRAZIL, Mark A.},
 issue = {1},
 journal = {酪農学園大学紀要. 自然科学編},
 month = {Oct},
 note = {Bulletin},
 pages = {79--90},
 title = {Preliminary Results from a Study of Whooper Swan Movements Using Neck-collars},
 volume = {10},
 year = {1983}
}