@article{oai:oit.repo.nii.ac.jp:00000687,
 author = {Andrew, Mellor},
 issue = {66},
 journal = {大阪工業大学紀要, Memoirs of Osaka Institute of Technology},
 month = {Jan},
 pages = {1--5},
 title = {A Clustering Algorithm for Use in the Automatic Classification of L2 Spoken Output},
 volume = {2},
 year = {2022}
}