Poynting, John Henry (1884). On the Transfer of Energy in the Electromagnetic Field. Philosophical Transactions of the Royal Society of London175: 343–361. DOI: 10.1098/rstl.1884.0016.
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(en) Woodruff, A.E. (2008). "Poynting, John Henry". Complete Dictonary of Scientific Biography. Charles Scribner's Sons.