@book{723, author = {Alexander, Charles K. and Sadiku, Matthew N. O.}, title = {Fundamentals of electric circuits /}, publisher = {McGraw-Hill Higher Education,}, year = {c2007.}, address = {Boston :}, edition = {3rd ed.}, url = {http://www.loc.gov/catdir/enhancements/fy0668/2005052270-d.html} }