Não informado. (1960). Circuits and Systems. Institute of Electrical and Electronics Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Circuits and Systems. New York: Institute of Electrical and Electronics Engineers, 1960.
Lua MLA (8ú heag.)Não informado. Circuits and Systems. Institute of Electrical and Electronics Engineers, 1960.
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