Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ISHII K,Epitaxial growth of Fe_3O_4 films by gas flow sputtering,Transactions of the Materials Research Society of Japan,,,2003,28,4,1113-1116,https://cir.nii.ac.jp/crid/1570572701783582720,