The accident records in coal mines of the United States : a study of the literature with comparisons of the records in other coal-producing countries /
Enregistré dans:
| Auteur principal: | |
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| Format: | Livre |
| Langue: | English |
| Publié: |
Bloomington :
Dept. of Economics, Indiana University,
[1964].
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| Sujets: |
| Description matérielle: | ix, 159 p. ; 23 cm. |
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| Bibliographie: | Includes bibliographical references. |