La doble faz del mundo físico /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | Español |
| Published: |
Buenos Aires :
Espasa-Calpe,
c1949.
|
| Edition: | 2a ed. rev. y ampliada. |
| Subjects: |
| Physical Description: | 206 p. : il. ; 20 cm. |
|---|---|
| Bibliography: | Incluye referencias bibliográficas (p. [205]-206) |