PACS:01.10.Fv DOI:10.1070/PU1976v019n07ABEH005280 URL: https://ufn.ru/en/articles/1976/7/i/ Citation: Fiks V B "Directional Atom-Nucleus Collisions in Single Crystals—a Method of Measuring the Lifetimes of Short-Lived Nuclei and Investigating Crystals" Sov. Phys. Usp.19 637–638 (1976)