For citations:

Omelchuk V.V. Development and current state of the regulation of the natural exposure of the public of the Russian Federation (To commemorate the 90^th birthday of Professor Krisiyk E.M.). Part 1. Radiatsionnaya Gygiena = Radiation Hygiene. 2021;14(1):34-39. (In Russ.) https://doi.org/10.21514/1998-426X-2021-14-1-34-39