Abrasion hardness.
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Honolulu :
Hawaiian Volcano Research Association,
1950.
|
| Series: | Special reports (Hawaiian Volcano Observatory) ;
5. |
| Subjects: |
| Physical Description: | 43 pages : illustrations, diagrams ; 26 cm. |
|---|---|
| Bibliography: | Bibliographical footnotes. |