TY - JOUR AU - V. S. Balitskii AU - L. A. Samoilovich AU - Yu. A. Belyakova TI - The external appearance of quartz crystal vertices, as influenced by the rate of growth of the rhombohedra JO - Doklady Akademii Nauk PY - 1969 SP - 89 EP - 92 VL - 188 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_188_1_a20/ LA - ru ID - DAN_1969_188_1_a20 ER -