| Year: | 1972 |
| Author: | Antonio RIBERA, Rafael FARRIOLS |
| Title: | UFOS I FOKUS |
| Language: | Danish |
| Originally published as: | UN CASO PERFECTO |
| ||
| Year: | 1972 | |
| ISBN: | 87-7508-120-2 | |
| Publisher: | SUFOI ; Strube, København | |
| Description: | 180 s. : ill. | |
   |
| Cover | Language | Title | Year | |
|---|---|---|---|---|
 | Spanish/Catalan | UN CASO PERFECTO | (Original title) | 1969 |
 | Italian | PROVA DELL'ESISTENZA DEI DISCHI VOLANTI (Translated by Marina BARBERIS) |
1972 | |
 | French | PREUVES DE L'EXISTENCE DES SOUCOUPES VOLANTES (Translated by André BERNARD) |
1975 |
 | Antonio Jorda Ribera, 1920 - 2001 (RIBERA I JORDÀ, Antoni) |