@book{6420, author = {Sedra, Adel S. and Smith, Kenneth C.}, title = {Microelectronic circuits /}, publisher = {Oxford University Press,}, year = {2004.}, address = {New York :}, edition = {5th ed.}, url = {http://www.loc.gov/catdir/enhancements/fy0615/2003066178-d.html} }