TY  - BOOK
AU  - Ahmed,N.U.
AU  - Natarajan,T.
TI  - Discrete-time signals and systems
SN  - 083513759
PY  - 1983///
CY  - Reston, Va.
PB  - Reston Pub. Co.
KW  - Discrete
KW  - time systems
N1  - Includes bibliographical references and index
ER  -