C. R. Paul, Introduction to Electromagnetic Compatibility, John Wiley & Sons, New York, 1992.
 C. R. Paul, Introduction to Electromagnetic Compatibility, 2nd ed., John Wiley & Sons, New York, 2006.
 K. R. Fowler, EMC and EMI, John Wiley & Sons, New York, 2006.
 C. R. Paul and K. B. Hardin, "Diagnosis and reduction of conducted noise
emissions," IEEE Trans Electromagn. Compat., vol. 30, pp. 553-560, 1988.
 H. W. Otto, Electromagnetic Compatibility Engineering, John Wiley &
Sons, New York, 2009.
 S. D. Wanless, "The Paraformer," IEEE WESCON Tech. Papers., vol. 12,
Part 2, 1968.
 W. Z. Fam and R. P. Verma, "Theory and performance of parametric
transformers," IEEE Trans. Power App. Syst., vol. PAS-91, pp. 2494-2504, 1972.
 A. Sato, S. Yamada and K. Bessho, "Theory and analysis of the constant voltage regulator with bridge-connected reactor circuit," IEEE Trans. Magn., vol. MAG-12, pp. 839-841, 1976.
 A. Yagasaki, Proc. 1994 Int. Symp. on Electromagn. Compat., p. 791,
 A. Yagasaki, "Highly improved performance of a noise isolation
transformer by a thin-film short-circuit ring," IEEE Trans. Electromagn.
Compat., vol. 41, pp. 246-250, 1999.
 A. Yagasaki, "Characteristics of a special-isolation transformer capable of
protecting from high-voltage surges and its performance," IEEE Trans.
Electromagn. Compat., vol. 43, pp. 340-347, 2001.
 M. Sugisaki and H. Saotome, "Some trials for improving the performance
of noise cutout transformer," The Paper of Technical Meeting on
Magnetics, IEE Japan, MAG-03-118, 2003.