1. A possible estimate of the elementary length in electromagnetic interactions

   • J. Kvasnica

   OriginalPaper Pages: 625 - 627

2. Two-quantum annihilation of polarized positrons

   • D. Babala

   OriginalPaper Pages: 628 - 632

3. New derivation of Bardeen-Shockley formula for mobility of electrons in homopolar semi-conductors

   • E. Hbivnák

   OriginalPaper Pages: 633 - 644

4. The polarization of nuclei by the “effet solide” method and the relaxation of nuclear spins during rapid passage through a field

   • J. Burget
   • M. Odehnal

   OriginalPaper Pages: 645 - 649

5. The quantum theory of multipole radiation in a dielectric

   • I. Saxl

   OriginalPaper Pages: 650 - 658

6. ВЛИЯНИЕ СОДЕРЖАНИЯ К ИСЛОРОДА НА ЭЛЕКТРИЧЕСКИЕ И ТЕ РМОЭЛЕКТРИЧЕСКИЕ СВОЙСТВА ТРОЙНОЙ СИС ТЕМЫ Вi₂Те_3−x Sе _x

   • K. Šmirous
   • L. Štourač

   OriginalPaper Pages: 659 - 662

7. On the relation between the thickness dependence of optical absorption and the surface layers of barium titanate single crystals

   • P. Coufová
   • H. Arend

   OriginalPaper Pages: 663 - 669

8. The relation between the inner demagnetizing factor of manganese magnesium ferrites and their porosity and permeability

   • J. Brož
   • J. Šternberk

   OriginalPaper Pages: 670 - 673

9. Einkristalle von halbleitendem Kadmiumantimonid — CdSb

   • K. Šmirous
   • V. Vrchovská

   OriginalPaper Pages: 674 - 678

10. The influence of a small electric perturbation on the electroluminescence curve of ZnS-Cu

    • K. Pátek

    OriginalPaper Pages: 679 - 683

11. Die durch eine Belastung induzierte amplitudenabhängige innere Reibung bei Fe-Ni Legierungen

    • B. Rothenstein
    • J. Hrianca

    Letters to the Editor Pages: 684 - 685

12. Response of anthracene to β-rays

    • I. Řezanka
    • J. Frána

    Letters to the Editor Pages: 686 - 687

13. Permittivity in the process of polarization reversal of ferroelectric triglycinsulphate

    • A. Mísařova
    • V. Janoušek

    Letters to the Editor Pages: 687 - 688

14. Bestätigung der Hertzschen Theorie mittels eine indirekte Methode

    • Eva Schürerová

    Letters to the Editor Pages: 689 - 690

15. Asymmetric hysteresis loop of single BaTiO₃ crystals with non-equivalent electrodes

    • V. Janovec
    • B. Březina
    • A. Glanc

    Letters to the Editor Pages: 690 - 691

16. Neutron-deficient isotopes of terbium with half-life of18 hours

    • J. Frána
    • I. Řezanka
    • V. Hušák

    Letters to the Editor Pages: 692 - 693

17. On configuration of complex bis-periodate-copper (III) anion

    • I. Hadinec
    • L. Jenšovský
    • V. Syneček

    Letters to the Editor Pages: 693 - 695

18. СОДЕРЖАНИЯ РАБОТ, ОПУ БЛИКОВАННЫХ ТОЛЬКО В ЧЕШСКОМ ИЗДАНИИ НАС ТОЯЩЕГО ЖУРНАЛА (Československý časopis pro fysiku)

    • K. Závěta
    • G. Dorda
    • D. E. Bradley

    Abstract Pages: 695 - 700