Helm, John L.
VIAF ID: 111587581 ( Personal )
Permalink: http://viaf.org/viaf/111587581
Preferred Forms
- 100 1 _ ‡a Helm, John L.
- 100 1 0 ‡a Helm, John L.
- 100 1 _ ‡a Helm, John L.
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Works
Title | Sources |
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Energy, 1989: | |
Energy : production, consumption, and consequences |