Author Details for "Spencer, J.E."
| Title | Author(s) | Publication | Year | Online Access |
|---|---|---|---|---|
| Helium resources and production in Arizona | Spencer, J.E. | Arizona Bureau of Geology and Mineral Technology, Fieldnotes vol. 13, no. 2, pp. 5-6, 15-16 | 1983 | N/A |
| Helium; origin, use, supply and demand | Spencer, J.E. | Arizona Bureau of Geology and Mineral Technology, Fieldnotes vol. 13, no. 2, pp. 1-5 | 1983 | N/A |