^Charles S. WalkerCapacitance, Inductance, and Crosstalk Analysis by Charles S. Walker (1990, Hardcover)ISBN 9780890063927 (revised Jun 2017)
^Charles Walker (2012). Capacitance, Inductance, And Crosstalk AnalysisIndigo. ISBN 9780890063927 (revised Sep 2019)
^Charles S. WalkerCapacitance, Inductance, and CrossTalk Analysis (Artech House Microwave Library), Artech House Publishers. Amazon. ISBN 9780890063927 (revised Feb 2014)