Ross, Kenneeth A.
Discrete mathematics
Prentice-Hall, 1985
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Precalculus and discrete mathematics : chapters 10-14
by Anthony L. Peressini [and others]
The University of Chicago, 1989
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Soliman, Samir S.
Continuous and discrete signals and systems
Prentice-Hall, 1990
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Oppenheim, Alan V.
Discrete-time signal processing
Prentice Hall International, 1989
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Santamarina, J. Carlos
Introduction to discrete signals and inverse problems in civil engineering
ASCE, 1998
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