| Author | NULL |
| Title | Дунава може да е тих |
| Subtitle Data | |
| Physical media | ХХІХ, № 367, 13 септ. 1991, с. 1 |
| Place of publishing | Среща между Петре Роман и Димитър Попов по въпросите на екологията |
| Publisher Name | Свободен народ |
| Year of issue | |
| Capital Letter | |
| Systematic-alphabetic signature | 501716 |
| Temporary collective author | |
| Venue of the event | |
| Date of the conference, seminar, etc. | |
| A form of digitalisation | Scan |
| Note |
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