| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Grand Energy Transition: The Rise of Energy Gases, Sustainable Life and Growth, and the Next Great Economic Expansion | 978-O-47O-52756-6 (O-47O-52756-O) | 2009 |
A. H. · H. I. · R. A. · R. H. · Robert A. · Robert H. · Robert Hefner