@book{121426,
	author = {Feyerabend, Paul,},
	title = {Problems of empiricism /},
	publisher = {Cambridge University Press,},
	year = {1981.},
	series = {Philosophical papers / Paul K. Feyerabend ;},
	address = {Cambridge ;},
	url = {http://www.loc.gov/catdir/description/cam041/82147114.html}
}