GOPALAN K GOPAL. (2009). SIGNALS AND SYSTEMS. CENGAGE LEARNING.
Chicago Style (17. basım) AtıfGOPALAN K GOPAL. SIGNALS AND SYSTEMS. AUSTRALIA: CENGAGE LEARNING, 2009.
MLA (9th ed.) AtıfGOPALAN K GOPAL. SIGNALS AND SYSTEMS. CENGAGE LEARNING, 2009.
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