@book{740,
	author = {Sayers, W. C. Berwick},
	title = {An introduction to library classification :},
	publisher = {Grafton,},
	year = {1954.},
	address = {London :},
	edition = {9th ed.},
	url = {http://www.worldcat.org/title/introduction-to-library-classification-theoretical-historical-and-practical-with-readings-exercises-and-examination-papers/oclc/3059435&referer=brief_results}
}