@book{33993,
	author = {Bohl, Marilyn. and Rynn, Maria,},
	title = {Tools for structured and object-oriented design :},
	publisher = {Prentice Hall,},
	year = {2003.},
	address = {Upper Saddle River, N.J. :},
	edition = {6th ed.},
	note = {Includes index.}
}