The momentum spectra of secondary particles in (π−,N)-interactions at 7 GeV F. LeharV. PetrŽílkaM. Suk OriginalPaper Pages: 489 - 497
Cyclotron instabilities of a two-component electron plasma K. Jungwirth OriginalPaper Pages: 498 - 505
Low-frequency instability of an inhomogeneous weakly ionized plasma in crossed electric and inhomogeneous magnetic fields V. Kopecký OriginalPaper Pages: 506 - 515
Secondary electron emission from thin self-supporting films of silver V. Malát OriginalPaper Pages: 516 - 520
Some results of experiments on discharges in shock tubes with parallel conductors J. Kravárik OriginalPaper Pages: 521 - 526
The optimum image plane in an optical system with chromatic aberration V. Blumová OriginalPaper Pages: 527 - 542
The thermoelectric efficiency of CdSb and solid solutions of Zn x Cd1−x Sb with hole conductivity L. štourač OriginalPaper Pages: 543 - 551
Permittivity, dielectric loss and dc conductivity of NaNO3 crystals grown by epitaxy E. MarianiJ. EcksteinE. Rubínová OriginalPaper Pages: 552 - 558
Domains in ferroelectric YMnO3 M. šafránkováJ. FousekS. A. KiŽaev Letters to the Editor Pages: 559 - 560
The influence of an ultrasonic field on the conductivity of AgCl crystals E. VavŘinec Letters to the Editor Pages: 560 - 561
The determination of the refractivity index of CdS single crystals from interference maxima on the transmission curve in the region 0·5–1·3 Μm L. RoskovcováJ. Pastrňák Letters to the Editor Pages: 562 - 564
The effective mass of conduction electrons in the Bi2(Te, Se)3 system from reflectivity measurements M. ZávětováA. Vaško Letters to the Editor Pages: 565 - 566