@book{27882,
	author = {Toates, F. M.},
	title = {Motivational systems /},
	publisher = {Cambridge University Press,},
	year = {1986.},
	address = {Cambridge [Cambridgeshire] ;},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/cam032/85015202.html}
}