@book{163,
	author = {Paynter, Robert T.},
	title = { Introductory Electronic Devices and Circuits:},
	publisher = {Pearson Prentice Hall,},
	year = {2006.},
	address = {New Delhi :},
	edition = {7th ed.},
	url = {https://books.google.com.pk/books?id=SY38CQaUix4C&printsec=frontcover&dq=introductory+electronic+devices+and+circuits+by+robert+t.+paynter+7th+edition&hl=en&sa=X&ved=0ahUKEwiE-Nap-orMAhXBXRoKHemWA4sQ6AEIGTAA#v=onepage&q=introductory%20electronic%20devices%20and%20circuits%20by%20robert%20t.%20paynter%207th%20edition&f=false}
}