%0 Journal Article %A O. G. Kozlova %A N. V. Belov %T Twisted quartz crystals as Brazilian interpenetration twins %J Doklady Akademii Nauk %D 1981 %P 346-347 %V 260 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_260_2_a19/ %G ru %F DAN_1981_260_2_a19