TY - JOUR AU - N. A. Bendeliani AU - L. F. Vereshchagin TI - Synthesis of dense modifications of silica in the presence of water at pressures up to $150\cdot10^3$ kG/cm$^2$ JO - Doklady Akademii Nauk PY - 1964 SP - 819 EP - 820 VL - 158 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_158_4_a17/ LA - ru ID - DAN_1964_158_4_a17 ER -