00321nam a22001337a 4500020001800000040000900018082001700027100002000044110001800064245002600082250001600108260003700124650002600161  a9780070634244  cNUST  a621.3815 MAL  aMalvino Albert,  aBates David J  aElectronic Principles  a7th Edition  aIndia:bMcGraw Education,c2007.  aElectronic Principles