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1.	Image from Google Jackets Image from OpenLibrary	Essentials of nonlinear by "Leigh, J.R." Material type: Text; Format: print ; Literary form: Not fiction Publication details: London ; Peter Peregrinus Ltd. ; 1983 Availability: Items available for loan: IET Lucknow Central Library (1).
2.	Image from Google Jackets Image from OpenLibrary	Essentials of nonlinear by "Leigh, J.R." Material type: Text; Format: print ; Literary form: Not fiction Publication details: London ; Peter Peregrinus Ltd. ; 1983 Availability: Items available for loan: IET Lucknow Central Library (1).
3.	Image from Google Jackets Image from OpenLibrary	Applied Digital Control by Leigh J.R Material type: Text; Format: print ; Literary form: Not fiction Publication details: London ; PHI ; 1995 Availability: Items available for loan: IET Lucknow Central Library (1).
4.	Image from Google Jackets Image from OpenLibrary	Applied Digital Control by Leigh J.R Material type: Text; Format: print ; Literary form: Not fiction Publication details: London ; PHI ; 1985 Availability: Items available for loan: IET Lucknow Central Library (1).

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