@article{oai:nistep.repo.nii.ac.jp:00006448,
 author = {皿山, 正二},
 journal = {Science & Technology Trends Quarterly Review2009 April, Science & Technology Trends},
 month = {},
 title = {Necessity of True Bulk GaN Single Crystal and Trends in Research and Development},
 year = {2009},
 yomi = {サラヤマ, セイジ}
}