%0 Journal Article %A L. F. Vereshchagin %A E. V. Zubova %A L. N. Burenkova %A N. I. Revin %T Dense modifications of boron nitride produced at high pressure under shear %J Doklady Akademii Nauk %D 1968 %P 72-73 %V 178 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_178_1_a18/ %G ru %F DAN_1968_178_1_a18