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1.	Image from Amazon.com Image from Google Jackets Image from OpenLibrary	Schaum's Outline of Theory And Problems of Signals and Systems by Hsu, Hwei P Series: Schaum's Outline Series Publication details: New Delhi Tata McGraw -Hill 1995 Availability: Items available for loan: IET Lucknow Central Library (1)Call number: 621.38223 HSU.
2.	Image from Amazon.com Image from Google Jackets Image from OpenLibrary	ANALOG AND DIGITAL COMMUNICATIONS by "HSU, HWEI P Edition: 3 Publication details: TMH Availability: Items available for loan: IET Lucknow Central Library (9)Call number: 621.382 HSU, ... Not available: IET Lucknow Central Library: Checked out (1).
3.	Image from Amazon.com Image from Google Jackets Image from OpenLibrary	SIGNALS AND SYSTEMS by "HSU, HWEI P." Edition: 2 Publication details: TMH Availability: Items available for loan: IET Lucknow Central Library (3)Call number: 621.3822 HSU, ... Not available: IET Lucknow Central Library: Checked out (1).
4.	Image from Amazon.com Image from Google Jackets Image from OpenLibrary	SIGNALS AND SYSTEMS by HSU, HWEI P Publication details: NEW DELHI TMH 2006 Availability: Items available for loan: IET Lucknow Central Library (1)Call number: 621.3822 HSU.

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