Zdraveopazvane
Subtitle: [1967] : statisticheski sbornik
By: Tsentralnȯ statistichesko upravlenie pri Ministerskiia suvet
Publisher: Tsentralno stat. upr.
Published: 1968
Place of publication: Sofiia
Language: bul
Number of pages: 316
Notes: Chiefly tables.

Preface also in Russian and French.

Russian and French summaries.