Chicago
Antonov, Anatoly I., Inna B. Nazarova, Vera M. Karpova, and Sofia V. Lyalikova. 2023. “Threshold of Old Age: Objective Signs and Subjective Perception”.
Population
26 (3), 131-43. https://doi.org/https://doi.org/10.19181/population.2023.26.3.11.