Gesner, A., & Gesner, G. W. (1865). A practical treatise on coal: Petroleum, and other distilled oils (2d ed., rev. and enl.). Baillière; H. Baillière; [etc., etc.].
Dyfyniad Arddull ChicagoGesner, Abraham, and George W. Gesner. A Practical Treatise on Coal: Petroleum, and Other Distilled Oils. 2d ed., rev. and enl. New York, London: Baillière; H. Baillière; [etc., etc.], 1865.
Dyfyniad MLAGesner, Abraham, and George W. Gesner. A Practical Treatise on Coal: Petroleum, and Other Distilled Oils. 2d ed., rev. and enl. Baillière; H. Baillière; [etc., etc.], 1865.
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