Talk:Four-frequency
Latest comment: 26 November 2009 by 163.1.62.20
Template:WikiProject banner shell I thought that the wave four-vector at least deserved a mention. Mpatel
"The wave four-vector is more often used in practice than the four-frequency,"
Seems a little unverifiable.163.1.62.20 (talk) 23:24, 26 November 2009 (UTC)