@book{130792,
	author = {Haack, Susan.},
	title = {Philosophy of logics /},
	publisher = {Cambridge University Press,},
	year = {1978.},
	address = {Cambridge [Eng.] ;},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/cam022/77017071.html}
}