Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kazuo Ishikawa and Kiyoshi Nakamura and Hee-Bog Kang,Growth of ZnO Thin Films on Sapphire Substrates by ECR-Assisted MBE,MRS Proceedings,0272-9172,Springer Science and Business Media LLC,1997-01-01,474,,,https://cir.nii.ac.jp/crid/1874242817789425152,https://doi.org/10.1557/proc-474-395