@article{oai:sapporo-u.repo.nii.ac.jp:00007650, author = {Yamada, Akitaka}, journal = {Phonological Externalization, Phonological Externalization}, month = {Mar}, pages = {1--22}, title = {Contiguity Theory and Crystallization: wh-phrases and concord adverbs in Japanese}, volume = {4}, year = {2019} }