Eykhoff, P. (1981). Trends and progress in system identification. Pergamon.
Lua i Stíl Chicago (17ú heag.)Eykhoff, Pieter. Trends and Progress in System Identification. Oxford: Pergamon, 1981.
Lua MLA (9ú heag.)Eykhoff, Pieter. Trends and Progress in System Identification. Pergamon, 1981.
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