@book{36932,
	author = {Pritchard, Duncan. and Millar, Alan,},
	title = {The nature and value of knowledge},
	publisher = {Oxford University Press,},
	year = {2010.},
	address = {Oxford :},
	url = {http://dx.doi.org/10.1093/acprof:oso/9780199586264.001.0001}
}