TY - JOUR AU - O. G. Kozlova AU - N. V. Belov TI - Brazil twins in the light of synthetic quartz crystal morphology JO - Doklady Akademii Nauk PY - 1980 SP - 1397 EP - 1399 VL - 254 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_254_6_a27/ LA - ru ID - DAN_1980_254_6_a27 ER -