@book{181,
	author = {MacKenzie, I. Scott. and Phan, Raphael C.-W.},
	title = {The 8051 microcontroller /},
	publisher = {Pearson/Prentice Hall,},
	year = {c2007 [Reprinted 2008].},
	address = {New Delhi :},
	edition = {4th ed.}
}