HUELSMAN, L. P. (1993). ACTIVE AND PASSIVE ANALOG FILTER DESIGN. MCGRAW HILL.
Chicago-čujuhus (17. p.)HUELSMAN, L P. ACTIVE AND PASSIVE ANALOG FILTER DESIGN. NEW-YORK: MCGRAW HILL, 1993.
MLA-čujuhus (9. p.)HUELSMAN, L P. ACTIVE AND PASSIVE ANALOG FILTER DESIGN. MCGRAW HILL, 1993.
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