The structure of Guinier–Preston zones. II. The room‐temperature ageing of the Al–Cu alloy

Short communications YA. YA. BLEIDELIS. The crystal structure of cis[Pt (NHa)2(SCN)2 ]. YA. YA. BLEIDELIS and G. B. BOKH. The crystal structure of the trans-diamminothiocyanate of bivalent platinum. YU. A. BAGARYATSKII. The crystal structure of the rectastable phase formed on tempering alloys of Cu and Sn having 24-27 % Sn. ~. A. SEMILETOV and M. ROZSIVAL Elcctronogwaphic inx'(,stigation of fihns of InSb. (~. S. ZItDANOV, N. N. ZHURAVLEV, A. A. STEPANOVA and M. M. U~A~SKH. The crystal chemistry of metal hexaborides. L. (:. LEITEIZEN, B..'~~. GLUKHOVSKOI and I. YA. BREIDO. A photomult ipl ier for scintillation colmters for ~-ray spectrometers. V. P. KONSTANTINOVA and V. A. YUKON. Peculiarities in the polarization of impure Rochelle salt. I. YA. EIS~ER. On certain changes in the dielectric properties of crystals of Rochelle salt irradiated wi th X-rays. K. N. BARA~SKH. The excitation of hypersonic oscillations in quartz. V. E. KOCHNOV. Non-uniformity of the strain distribut ion in a polycrystalline grain in the initial stage of the process of plastic deformation. I. M. SIL'VESTROVA. Determinat ion of the coefficients of thermal conductivi ty of crystals of ethylene diamine tartrate. G. K. ABDULLAEV. On certain new simple forms of pyrites. ](It. S. BAGDASAROV and V. YA. KHAIMOV-MAL'KOV. Certain experimental data on the nature of the formation of etch figures in an ultrasonic field.