@book{643, note = {International Edition}, edition = {4th ed.}, address = {Boston :}, publisher = {McGraw-Hill/Irwin,}, author = {Lehmann, Donald R. and Winer, Russell S.}, title = {Product management /}, year = {2005.}, url = {http://www.loc.gov/catdir/toc/mh041/2004053060.html} }