L LTR12101B 1 Jan 25, 2004 #1 50 page PDF availabe here http://www.itl.nist.gov/div895/carefordisc/index.html Heavy going in places, but quite informative
50 page PDF availabe here http://www.itl.nist.gov/div895/carefordisc/index.html Heavy going in places, but quite informative