@book{9513,
	author = {Senge, Peter and Senge, Peter M.},
	title = {The Fifth Discipline Fieldbook :},
	publisher = {Currency, Doubleday,},
	year = {c1990.},
	address = {New York :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/random046/93050130.html}
}