Area handbook for Bulgaria
| Auteur principal: | |
|---|---|
| Format: | Livre | 
| Langue: | English | 
| Publié: | Washington, D.C.
          U.S. Government Printing Office
    
        1974. | 
| Sujets: | 
| Auteur principal: | |
|---|---|
| Format: | Livre | 
| Langue: | English | 
| Publié: | Washington, D.C.
          U.S. Government Printing Office
    
        1974. | 
| Sujets: |