Shirai, T.
, Nakagaki, T.
, Sugar, J.
and Wiese, W.
(1992),
Spectral Data and Grotrian Diagrams for Highly Ionized Vanadium, V VI through V XXIII, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
(Accessed February 10, 2025)