Fichas (Zettel)
| Publisher | Edições 70 |
| Translated by | Ana Berhan da Costa |
| Revised by | Artur Morão |
| Copyright Holder | Basil Blackwell |
| Cover/Jacket Design by | FBA |
| Series | Biblioteca de Filosofia Contemporânea |
| Printed by | Tipografia Lousanense, Lda |
| Format | Soft cover |
| Language | Portuguese |
| Location | Portugal |
| Printed | 1989 |
| Pages / Font | 156 pages |
| ISBN | 978-972-44-2065-3 |
| DL (Portuguese) | 26200/89 |
| Barcode | 9789724420653 |
| Series Number | 11 |
Added by Xavier.Rafael