Mathews, P. (1955). Protective current transformers and circuits. Chapman & Hall.
Dyfyniad Arddull ChicagoMathews, Paul. Protective Current Transformers and Circuits. London: Chapman & Hall, 1955.
Dyfyniad MLAMathews, Paul. Protective Current Transformers and Circuits. Chapman & Hall, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.