William Littell creator London Mc Graw-Hill 1937 2nd ed. / 727p Introduction And Classification Of Impedance Elements (Page-1), Network Using Linear Bilateral Impedance (Page-59), Networks Using Unilateral And Nonlinear Impedance (Page-342), Couple Between Electrical Circuits And Free Space (Page-627), Coupling Between Electrical And Mechanical Circuits (Page-672). William Littell Telecommunications engineering 621.382,EVE 20221208184442.0