nobélium

[1968] Elements Beyond 100, Present Status and Future Prospects ; Glenn T. Seaborg ; Annual Review of Nuclear and Particle Science 18 (1968) p. 53 [lien]
[1999] [Search and Discovery] Nobelium-254 Forms High-Spin Rotational States ; Gloria B. Lubkin ; Physics Today 52 (fev 1999) p. 21 [lien]