Gayakwad, R. A. (1988). Analog and digital control systems. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Gayakwad, Ramakant A. Analog and Digital Control Systems. Englewood Cliffs, NJ: Prentice-Hall, 1988.
Lua MLA (9ú heag.)Gayakwad, Ramakant A. Analog and Digital Control Systems. Prentice-Hall, 1988.
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