Markus, John, 1911- (Personal Name)

Non-Latin script references not evaluated

Cooke, N. M. Electronics dictionary ... 1945.

Markus, J. Essential circuits reference guide, c1988: CIP t.p. (John Markus (deceased))

His Essential circuits reference guide, c1988: CIP t.p. (John Markus; deceased)

Maigerlao-Xier dian zi xue ci dian, 2004: t.p. (Yuehan Makusi)

English-Persian electronics dictionary, 1987: (John Markus) added t.p. (جان مارکوس = Jān Mārkūs)