El trabajo en las minas : instituto de reformas sociales
| Main Author: | |
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| Format: | Book |
| Language: | Spanish |
| Published: |
Madrid :
Zero ,
1970
|
| Edition: | 1a. ed. |
| Series: | Serie P ;
n§ 11 |
| Subjects: |
| Physical Description: | 132 p. : cuadros ; 20 cm. |
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