@book{6870,
	author = {Sommerville, Ian. and Morrison, Ron.},
	title = {Software development with Ada / },
	publisher = {Addison-Wesley, },
	year = {1987.},
	series = {International computer science series},
	address = {Wokingham [etc.] : },
	edition = {1st ed.},
	note = {Indices.}
}