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Verojatnosti za umirane po pričini na smǔrtta
Rusev, Božidar - In: Statistika : dvumesečno spisanie ; organ na … 17 (1970) 6, pp. 53-71
Persistent link: https://www.econbiz.de/10002710323
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Vlijanieto na smǔrtnostta vǔrchu zagubite na život v trudosposobna vǔzrast
Rusev, Božidar - In: Statistika : dvumesečno spisanie ; organ na Komiteta … 29 (1982) 2, pp. 60-74
Persistent link: https://www.econbiz.de/10002710348
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Umieralność w Bułgarii według grup społecznych i stosunku do pracy
Matejew, D. - In: Studia demograficzne : organ Komitetu Nauk … 26 (1971), pp. 53-72
Persistent link: https://www.econbiz.de/10002435884
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Faktičeska i standartizirana smŭrnost na gradskoto i selskoto naselenie v Bŭlgarija po pričini za perioda 1961-1965 g
Bogdanov, Zdravko D. - In: Statistika : dvumesečno spisanie ; organ na … 15 (1968) 6, pp. 14-24
Persistent link: https://www.econbiz.de/10001926620
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Izmenenija v žiznenija potencial na naselenieto vsledstvie vlijanieto na smŭrtnostta po pričini
Bogdanov, Zdravko; Griva, Christijan - In: Semejstvo i socialno-demografsko razvitie, (pp. 311-322). 1982
Persistent link: https://www.econbiz.de/10001926637
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Smŭrtnostta v Bŭlgarija po pričini i zanjatija za perioda 1964-1966 godina
Bogdanov, Zdravko D. - In: Statistika : dvumesečno spisanie ; organ na … 16 (1969) 3, pp. 47-56
Persistent link: https://www.econbiz.de/10001926648
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The growth and structure of human populations : a mathematical investigation
Coale, Ansley J. - 1972
Persistent link: https://www.econbiz.de/10000556311
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Population and society
Wrong, Dennis Hume - 1967 - 3. ed
Persistent link: https://www.econbiz.de/10000615470
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Nouvelles tables-types de mortalité
Ledermann, Sully - 1969
Persistent link: https://www.econbiz.de/10000624412
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Demographic analysis : selected readings
Spengler, Joseph John (contributor);  … - 1956
Persistent link: https://www.econbiz.de/10000627032