@phdthesis{oai:tsukuba.repo.nii.ac.jp:00039418,
 author = {西牧, 和也 and NISHIMAKI, Kazuya},
 month = {},
 note = {2015},
 school = {筑波大学, University of Tsukuba},
 title = {A Study on Cross-Linguistic Variations in Realization Patterns: New Proposals Based on Competition Theory},
 year = {2016}
}