For citations:

Vasilyev A.S. Exposure of students (pupils) and employees of educational institutions in the Leningrad region to natural sources of radiation. Part 1: Results of a comprehensive survey. Radiatsionnaya Gygiena = Radiation Hygiene. 2023;16(2):65-77. (In Russ.) https://doi.org/10.21514/1998-426X-2023-16-2-65-77