@phdthesis{oai:tsukuba.repo.nii.ac.jp:00032345,
 author = {坂本, 暁彦 and SAKAMOTO, Akihiko},
 month = {},
 note = {2013},
 school = {筑波大学, University of Tsukuba},
 title = {A Theory of Labeling in the Minimalist Program: Valuation in Merge and Its Application},
 year = {2014}
}