%0 Journal Article %A S. S. Kabalkina %A L. F. Vereshchagin %T X-Ray study of the effects of an up to 18000 kg/cm$^2$ hydrostatic pressure on the structure of lead titanate %J Doklady Akademii Nauk %D 1962 %P 818-821 %V 143 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_143_4_a18/ %G ru %F DAN_1962_143_4_a18