TY - JOUR AU - Yu. A. Alekseev TI - Artificial obtaining of boron nitride and barium chloride twin growth JO - Doklady Akademii Nauk PY - 1977 SP - 69 EP - 71 VL - 234 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_234_1_a13/ LA - ru ID - DAN_1977_234_1_a13 ER -