[1]
FIETZ, W., WASSILEW С.A., LUDWIG, H.A., OBST В., DIETRICH, M.R. і WUHL, H. 1990. Structural changes of high-Tc superconductors under pressures up to 29 GPa and at temperatures between 15 and 300 K. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР. 16, 5 (Трав 1990), 615–617.