Petroleum engineer international
47
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| Published: |
Dallas, Texas : Petroleum Engineer,
1929
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| Subjects: | |
| Online Access: | http://proquest.umi.com/pqdweb?RQT=318&TS=1111624766&clientId=21690&VType=PQD&VName=PQD&VInst=PROD&pmid=28392&PageNum=1 |