@book{9371, author = {MacKenzie, I. Scott. and Phan, Raphael C.-W.}, title = {The 8051 microcontroller /}, publisher = {Pearson/Prentice Hall,}, year = {c2007.}, address = {Upper Saddle River, N.J. :}, edition = {4th ed.}, url = {http://www.loc.gov/catdir/toc/ecip0614/2006017781.html} }