HOUGLUM, R. J. (1985). Electronics Concepts Applications And History Roger J. Houglum. Delmar.
Lua i Stíl Chicago (17ú heag.)HOUGLUM, Roger J. Electronics Concepts Applications And History Roger J. Houglum. Delmar, 1985.
Lua MLA (8ú heag.)HOUGLUM, Roger J. Electronics Concepts Applications And History Roger J. Houglum. Delmar, 1985.
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