Johnson, J. R. (1989). Introduction to digital signal processing. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Johnson, Johnny Ray. Introduction to Digital Signal Processing. Englewood Cliffs, N.J: Prentice-Hall, 1989.
Lua MLA (9ú heag.)Johnson, Johnny Ray. Introduction to Digital Signal Processing. Prentice-Hall, 1989.
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