Trace elements in coal : occurrence and distribution /
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Urbana :
Illinois State Geological Survey,
1977.
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| Series: | Circular (Illinois State Geological Survey) ;
499. |
| Subjects: |
| Physical Description: | 154 pages : illustrations ; 26 cm. |
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| Bibliography: | Includes bibliographies and index. |