Wheatstone, Charles. "The Bakerian Lecture: An account of Several New Instruments and Processes for Determining the Constants of a Voltaic Circuit." Philosophical Transactions of the Royal Society of London 133 (1843): 303-327.

Wheatstone, Charles. "The Bakerian Lecture: An account of Several New Instruments and Processes for Determining the Constants of a Voltaic Circuit." Philosophical Transactions of the Royal Society of London 133 (1843): 303-327.