RFE 1975-09-30: The path to Entropy
- Document's type: Press cutting
- Date of origin: 30. 9. 1975
- Record's ID: 13906
Spiegel 1975/46, str. 212-214: Wenige Schritte
- Document's type: Press cutting
- Date of origin: 10. 11. 1975
- Record's ID: 13907
Die Tat 1975/?, str. ?: Ein Vulkan unter der Oberfläche
- Document's type: Press cutting
- Author: H. G. Alexander (Author) / Václav Havel (Author)
- Date of origin: 27. 8. 1975
- Record's ID: 13905