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david a mathis
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Hydrogen technology for energy
David A. Mathis · Noyes Data Corp.
285 sayfa · 1976
Hydrogen as fuel / Waterstof / Brandstoffen / Wasserstoffenergietechnik / Hydrogene (combustible)
The Prehistory of North Carolina
David Sutton Phelps, Mark A. Mathis, Jeffrey J. Crow · North Carolina Division of Archives and History, Dept. of Cultural Resources
206 sayfa · 1983
Congresses / Antiquities / Indians of North America