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| First published | November 1963 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
{{Tr|Beata Della Frattina}}
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1963 |
|
Urania #321 | Mondadori | MAGAZINE | 95 |
| August 1978 |
|
Spedizione di soccorso | Mondadori | Collection | 137 |
| January 1987 |
|
Urania #1039 | Mondadori | MAGAZINE | 48 |
| October 2002 |
|
Urania #1450 Supplement | Mondadori | MAGAZINE | 99 |
| December 2008 |
|
Spedizione di soccorso | Mondadori | Collection | 155 |