TY JOUR TI CHANGES IN THE STRUCTURE AND FORMS OF ACCOUNTING FOR THE CHILD AND INFANT MORTALITY FACTS IN THE ANNUAL DEMOGRAPHIC REPORTING OF THE KRASNOYARSK REGION IN 1959–1985 KW child and infant mortality KW demographic sources KW epidemiological transition KW demography of the USSR JO Socio-economic and humanitarian magazine AU Semykin, E.I. PY 2024 IS 0 PB Krasnoyarsk State Agrarian University