Summary of selected injury experience and worktime for the mining industry in the United States, 1931-1977
- Språk
- Engelska
| Förlag | År | Ort | Om boken | ISBN |
|---|---|---|---|---|
| Health and Safety Analysis Center | 1981 | Utgivningsland okänt / Ej specificerat, Denver, Colo | 69 sidor. |