@book{61005,
	author = {Say, M.G.},
	title = {Electrical engineer's reference book.},
	publisher = {Butterworths },
	year = {[1973]},
	address = {London, },
	edition = {13th ed.},
	note = {Includes Index http://www.worldcat.org/title/electrical-engineers-reference-book/oclc/1411403&referer=brief_results}
}