Magnus Danielson wrote: > The article in question is... > http://tf.nist.gov/timefreq/general/pdf/1890.pdf > but also > http://tf.nist.gov/timefreq/general/pdf/1800.pdf > > See for yourself. > > Cheers, > Magnus > > Plus: http://tf.nist.gov/timefreq/general/pdf/1208.pdf Bruce