API bulletin on use of variable-space systems to reduce evaporation loss /
| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Washington, D. C. :
API,
1964, 1977 printing.
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| Series: | API bulletin ;
2520. |
| Subjects: |
| Physical Description: | 14 pages : illustrations, 1 folded chart ; 28 cm. |
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| Bibliography: | Includes bibliographical references. |