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1.	Image from Google Jackets Image from OpenLibrary	Basic Digital Electronic by "Dempsey, John A." Material type: Text; Format: print ; Literary form: Not fiction Publication details: London ; Addison Wesley ; 1979 Availability: Items available for loan: IET Lucknow Central Library (1).
2.	Image from Google Jackets Image from OpenLibrary	Experimentation With Dig by Dempsey John A Material type: Text; Format: print ; Literary form: Not fiction Publication details: London ; A.W.P ; 1977 Availability: Items available for loan: IET Lucknow Central Library (1).
3.	Image from Google Jackets Image from OpenLibrary	Experimentation With Dig by Dempsey John A Material type: Text; Format: print ; Literary form: Not fiction Publication details: London ; A.W.P ; 1977 Availability: Items available for loan: IET Lucknow Central Library (1).

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