@book{177824,
	author = {Taylor, Barry N. and National Institute of Standards and Technology (U.S.)},
	title = {Guide for the use of the International System of Units (SI)  /},
	publisher = { U.S. Dept. of Commerce. Technology Administration. National Institute of Standards and Technology,},
	year = {1995},
	address = {Estados Unidos de América  :},
	edition = {1995 ed.},
	note = {"Supersedes NIST special publication 811, September 1991."}
}