- Title means "The Fourth State of Matter".
- {{Tr|Costache Anton and Eugen Hadai}} of A negyedik halmazállapot, same meaning.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1970 |
|
Colecția "Povestiri științifico-fantastice", #384 | Știință & Tehnică | MAGAZINE | 22 |
| 1975 |
|
Moartea hipnotică | Editura Albatros | Collection |