William L. Leffler
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6 books
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- Petroleum refining in nontechnical languageWilliam L. Leffler

- Oil and Gas Pipelines in Nontechnical Language, 2nd EditionThomas O. Miesner, William L. Leffler
- Petroleum refining for the non-technical personWilliam L. Leffler

- Natural Gas LiquidsWilliam L. Leffler
- Deepwater petroleum exploration & productionWilliam L. Leffler, Richard Pattarozzi et al.

- Oil and Gas Pipelines in Nontechnical LanguageThomas O. Miesner, William L. Leffler

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