Lathi, B. P. Principles of linear systems and signals / B P Lathi. - 2nd ed. - New Delhi : Oxford University Press, 2009. - xvi, 969 p. :ill. ; 25 cm. Includes index. ISBN: 9780198062271 0198062273 Subjects--Topical Terms: Linear systems. Dewey Class. No.: 621.38 / LAP