@book{136,
	author = {Booch, Grady. and Rumbaugh, James.},
	title = {The unified modeling language user guide /},
	publisher = {Pearson education,},
	year = {c1999 [Reprinted 2008].},
	series = {The Addison-Wesley object technology series.},
	address = {New Delhi :},
	note = {Includes index.}
}