A new library system at NTK will be launched from August 19, 2026. The new version of the national ISSN database will still run at the same address (https://issn.techlib.cz/). You can also verify and search for ISSN in the international ISSN Portal registry.
Email Record: Revue des travaux scientifiques tchecoslovaques. Section deuxième, Mathematiques, physique, chimie, minéralogie et géologie, géographie, sciences techniques, sciences biologiques, sciences médicales.