Facts about peat as an article of fuel : with remarks upon its origin and composition, the localities in which it is found, the methods of preparation and manufacture, to which is added, a chapter on the utilization of coal dust with peat, for the production of an excellent fuel, at moderate cost, specially adapted for steam service - Leavitt, Thomas Hooker (1824?-) (Boston : Lee a Shepard, 1867)
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Keywords: Torf -- użytkowanie