Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
V. S. Sobolev and N. V. Sobolev,YAKUT DIAMONDS : SCIENTIFIC PROBLEMS CONNECTED WITH THEIR STUDY,Journal of The Gemmological Society of Japan,03855090,The Gemmological Society of Japan,1981,8,1-4,73-77,https://cir.nii.ac.jp/crid/1390282680141131136,https://doi.org/10.14915/gsjapan.8.1-4_73