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1.	Image from Google Jackets Image from OpenLibrary	An Introduction To Discr by "Kalmanson,Kenneth" Material type: Text; Format: print ; Literary form: Not fiction Publication details: Sydney ; Addison-Wesley ; 1986 Availability: Items available for loan: IET Lucknow Central Library (1).
2.	Image from Google Jackets Image from OpenLibrary	An Introduction To Discr by "Kalmanson,Kenneth" Material type: Text; Format: print ; Literary form: Not fiction Publication details: Singapore ; Addison-Wesley ; 1986 Availability: Items available for loan: IET Lucknow Central Library (1).
3.	Image from Google Jackets Image from OpenLibrary	An Introduction To Discr by "Kalmanson,Kenneth" Material type: Text; Format: print ; Literary form: Not fiction Publication details: Sydney ; Addison-Wesley ; 1986 Availability: Items available for loan: IET Lucknow Central Library (1).

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