Smǔrtnosti i razhdaemost na naselenieto v Bǔlgariia.
Contributors: Sugarev, Zdravko T,; Penkov, Boian,
Publisher: Izd-vo na Bulgarskata Akademiia na naukite
Published: 1966
Place of publication: Sofiia
Language: bul
Number of pages: 360
Subjects: Mortality.; Children -- Mortality.; Bulgaria -- Statistics, Vital