His Introduction to nonlinear network theory, 1967: t.p. (Leon O. Chua, Associate Professor of Electrical Engineering, Purdue University)

LC data base, 2-17-84 (hdg.: Chua, Leon O., 1936- ; usage: Leon O. Chua)

Linear and Nonlinear Circuits, 1987 t.p. (Leon O. Chua) of cover

Bibloteca del congreso (Estados Unidos), 8 agosto 2019: catálogo electrónico https://bit.ly/32pOWSW