seconde (unité)

[1968] Astronomical Measures of Time ; D. H. Sadler ; Quarterly Journal of the Royal Astronomical Society 9 (1968) p. 281 [lien]
[2001] [Reference Frame] On the Matter of the Meter ; Daniel Kleppner ; Physics Today 54 (mar 2001) p. 11 [lien]
[2006] [Reference Frame] Time Too Good to Be True ; Daniel Kleppner ; Physics Today 59 (mar 2006) p. 10 [lien]