@book{20629,
	author = {Leichter, Howard M.},
	title = {A comparative approach to policy analysis :},
	publisher = {Cambridge University Press,},
	year = {1979.},
	address = {Cambridge ;},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0903/79050625-d.html}
}